Definition of necessity in English:

necessity

nounPlural necessities nɪˈsɛsɪtinəˈsɛsədi

1mass noun The state or fact of being required.
the necessity of providing parental guidance
Example sentencesExamples
- The necessity to make ports of entry more secure is acute.
- He stressed the necessity for exercising economy and using the minimum of water.
- But the fact that the necessity for dialogue has to be stressed in the more than 50-year-old alliance shows how tense relations are in reality.
- The necessity for a new route has also been questioned, amid suggestions that the existing Killarney / Farranfore road could be upgraded and re-aligned.
- They recognized the absolute necessity of having some maturity in the country's leadership.
- There is no necessity to hospitalize the patient.
- The necessity for clarity of meaning for his listening public imposed a new discipline on both his poetry and prose pieces and this improved his work, exposing obscurities.
- He was little more than contemptuous of those who questioned the necessity of war.
- The necessity for a sewage scheme to be installed in Shrule because of the serious health hazard that exists there, has been raised with the County Medical Officer.
- These people seem to live in an alternate reality where there is no necessity for their words to correspond to anything that happens in the world.
- No, there are very serious differences, historical differences, and from the practical point of view there is no necessity to export democracy.
- Such laws, he said, were ‘in danger of discrediting our parliament if we let that necessity to have high standards in public life lead to an intrusion into private family life’.
- The necessity to have access to larger markets is absolutely crucial.
- There is rarely any necessity to trim the plants, though there might be an occasional need to remove dried leaves, wilted flowers and lifeless stems.
- Their stance demonstrates the utter necessity of this unwelcome war.
- In that context, I stressed the necessity of repudiating all forms of U.S. patriotism.
- As well as the urgent necessity for further resources, there is also a crying need to better manage the resources that we already have.
- The long-felt necessity for a state-of-the art gallery of art was realised at last with the initiative of the State Government.
- However, the existence of representative government doesn't obviate the necessity of enquiry.
- A software package was developed which obviated the necessity of having instructors in every class.
- I believe that the economic necessity for innovation and creativity will ultimately drive greater acceptance of diversity.
- This being the case, there is no real necessity to introduce new laws hurriedly.
- This year there has been no necessity for farmers to choose between the census or the simplified systems.
Synonyms
indispensability, need, needfulness
1. 1.1 The state of being unavoidable.
  the necessity of growing old
  衰老的必然性。
  Example sentencesExamples
  In the case of the necessity of substance, there is certainly a conception of a ‘whole’ which is just the sum of its parts and therefore something whose identity is dependent upon that of its parts.
  Like theoretical reasoning, practical reasoning seeks in a sense to demonstrate the necessity of certain actions.
  Annie clutched her teddy to her chest tightly and felt every conceivable option she could have had in her life melt into a single inescapable necessity.
  At this time thinking was dominated by Kant who had stated that Euclidean geometry is the inevitable necessity of thought.
  Of necessity there will be a certain amount of overlapping, because many of the same arguments, or approximations thereof, have been employed by more than one critic.
  Men never do any good, he asserts, except by necessity.
  However, no systematic rules for the necessity of a certain sequence have been recognized.
  On the level of the abstract theory of capital expansion and exploitation, it is not possible to argue for the inevitable necessity of the North-South divide.
  Accordingly, this application has arguable probability, not inexorable logical or theological necessity.
  For Burke, expedience and necessity was everything - it was not only inevitable but necessary that America free itself from the yoke of English rule.
  Underneath this official language of inevitability and necessity, Woolf detects an irrepressible internal pressure.
  Synonyms
  inevitability, unavoidability, certainty, inescapability, inexorability, ineluctability
2. 1.2 A situation enforcing a certain course of action.
  political necessity induced him to consider it
  Example sentencesExamples
  Vacations when you have kids are somewhat constrained by necessity.
  Of course, political necessity prevented the president from blurting the awkward truth that the nation is already running near-record deficits.
  Such people are forced by necessity to buy the cheapest ticket possible.
  What made religious toleration and later freedom of conscience possible in England was not theoretical argument but political necessity.
  Necessity had forced him to discover more about his flying, once again.
  Necessity drove him to see if he could get to the corner shop on his own.
  All these were developments brought about through the perceived economic necessity of the time.
  In many cases it was financial necessity that forced great pugilists back, with disastrous consequences.
  Political ideology is the result of individuals making statements about the world based on theory, and in many cases, political necessity.
  In his political writings, necessity ousts God.
  Patients can often figure out ingenious ways to treat themselves when necessity forces their hand.
  Like the wolf or the deer, travellers' actions are dictated by practical necessity rather than political idealism.
  But the decision to exit might be dictated by necessity more than bad faith.
  In ordinary life, explanations that invoke chance, necessity, or design cover every eventuality.
  But in all likelihood, bureaucratic necessity drove most police transfers.
  Basically the self is two things: the self is relational; all that means is, we are certain things by necessity in the world.
  It is driven by political necessity, and racial opportunism.
  But necessity requires that I have to have at least a bit of help from each of you against him.
  Ending the draft was a political and moral necessity.
  But they were warned beforehand that they should not exceed the limit of the bare necessity of the war.
  Inserting amendments as and when necessity arises would have been a better strategy.
  Synonyms
  force/pressure of circumstance, need, obligation, call, exigency
  crisis, emergency, urgency
  French force majeure
2An indispensable thing.
必需品
a good book is a necessity when travelling
出门旅行时，一本好书是必不可少的。
Example sentencesExamples
- Basic medical necessities, however, are either nonexistent or in short supply.
- Mayor Street defends the cuts as an unpleasant necessity due to the city's financial straits.
- Hundreds of thousands of people lack the basic necessities of life and are vulnerable to disease and possibly starvation.
- The ship's commander refused to pass on even clothes, food and basic necessities to his prisoners.
- The impact of the war will be felt particularly on two heavily-traded basic necessities, oil and food.
- You drastically cut back on basic necessities such as food or travel to pay creditors.
- Health care is not a golf game, it's a human necessity.
- Store clothing, dishes, food and other household necessities within easy reach.
- I would now like to share with you friends, another crucial requirement and necessity for our country.
- Apart from beer and fags the household necessities in most families are bought by women.
- As soon as she arrived at her room, she began to pack a few nondescript clothes and a few basic necessities.
- Streams of people packed hypermarkets, supermarkets and convenience stores to stockpile household necessities.
- Sophisticated telecommunications have become a basic necessity of everyday life.
- By all means, spend your available cash on necessities like food, shelter and clothing.
- Internationalism is not simply a utopian ideal, but an urgent practical necessity.
- Sleep ranks at the top of the list of human necessities - right along with air, water and food.
- Each of the group was allowed to bring three basic necessities - a torch, a sleeping bag and warm clothes.
- These patients do not have even basic necessities such as clothes, soap and toothpaste.
- Morphine had become an " absolute necessity of life " for this user.
- Employers have moved diversity from a " nice thing to do " to a business necessity.
- So in some cases, it's perceived by the employer as a business necessity.
Synonyms
essential requirement, prerequisite, indispensable item, indispensable thing, essential, requisite, necessary, fundamental, basic
3Philosophy
mass noun The principle according to which something must be so, by virtue either of logic or of natural law.
〔哲〕必然性
Example sentencesExamples
- Pre-biotic natural selection and chemical necessity cannot, as a logical matter, explain the origin of biological information.
- Any such project must, by necessity, be selective.
- But since the Idea of Causation is a necessary condition of the very possibility of objective empirical knowledge, Newton's laws must share this necessity.
- Modal logic is the logic of possibility and necessity and the study of modal logic, as a discipline, has flourished in the latter half of the twentieth century.
- And in obeying this necessity, Spinoza goes on to argue, we are completely free.
- In addition, God has, though not with metaphysical necessity, all the moral perfections.
- The necessity which causation involves is at most ‘natural’ or ‘physical’ necessity, not metaphysical necessity.
- Capitalism, by necessity, must do this in order to establish and support inequality because Capitalism is inequality.
- Such events constitute given facts and their conjunctions exhaust the objective content of our idea of natural necessity.
- He also believed that moral agency and freedom are compatible with metaphysical necessity.
- He strongly objected, however, to any suggestion that necessity can also be properly attributed to the properties or relationships of the things described in such sentences.
- Keep in mind, though, that not all entities, according to Aquinas, have an essence, though all, by necessity, have a form.
- By art, Benjamin means the interpretive, cognitive processes which by necessity always dominate a process such as painting.
- The logic of value can only constitute a necessity in the sense in which Hegel presents necessity.
- Of necessity it must deal with a ruling class that owns the material means of extracting or distributing information, or with a producing class that extracts and distributes.
- If you have partial darkness you must by necessity also have partial light.
- The reaction of some to this whole exercise will be to say that it fortifies a dislike they had always had for natural necessity - even before it was relativised to a time.
- Hence, masculinity, femininity and homosexuality were transformed from the realm of biological necessity to that of custom.
- However, if we're talking about deontic necessity - the logic of what ought to be - then things are different.
- Hume notes the criticism that necessity undermines morality since it eliminates moral choice.
- Moreover, the vital role played by the truths given above in all scientific explanation persuaded Kant that a theory of objectivity would also provide an explanation of natural necessity.
1. 3.1count noun A condition that cannot be otherwise, or a statement asserting this.
  必然情况；断言
  Example sentencesExamples
  The absolute necessity of the judgment is only a conditioned necessity of the thing, or of the predicate in the judgment.
  There is no evidence that it was for Foucault, nor that he intended to suggest anything other than realization of the fact of observation as a critical necessity.
  Some critics may see this as collaborating with enemies of the environment, but Herd understands this as a necessity that parallels the balance of mankind and nature.
  Vengeance may hold a primitive necessity, but it offers neither redemption nor relief.
  Artists of this region have always created art out of a necessity that transcends the restrictive conditions imposed upon them.
  If that is the case, intervention, when it is constructive, is an objective necessity, so that auditing its personnel could be introduced.
  Whence the force of the second ‘not’, which I take to be more than just the assertion of a pragmatic necessity in the teeth of radical scepticism.
  Robespierre was a disciple of Rousseau - both considered the general will an absolute necessity.
  Synonyms
  stipulation, constraint, prerequisite, precondition, requirement, rule, term, specification, provision, proviso, qualification

Phrases

necessity is the mother of invention

proverb When the need for something becomes essential, you are forced to find ways of getting or achieving it.
〈谚〉需要乃发明之母
Example sentencesExamples
- If necessity is the mother of invention, these nations are in a good position to innovate in discovering and deploying applications that are of value to rural populations.
- As in many types of discovery, necessity is the mother of invention.
- As is the case around the world, necessity is the mother of invention and innovative cooking techniques developed to make the most of what the land could provide.
- If necessity is the mother of invention, Hurricane Katrina has forced some in this city to reinvent the way they do business.
- After all, necessity is the mother of invention, even in golf.
- Necessity being the mother of invention, he improvised where he had to.
- They say necessity is the mother of invention, and Wright has done a masterful job shaping his four-guard offense in the wake of Sumpter's knee injury.
- They say necessity is the mother of invention, and that's how Thomas developed his versatile role last season.
- If necessity is the mother of invention, staring at a wall of trees numbering some 100,000 per hectare ought to get you thinking.
- The idea is that necessity isn't always the mother of invention.

of necessity

Unavoidably.
必然性
to alleviate labour shortages employers will, of necessity, offer better deals for part-timers
Example sentencesExamples
- Whoever rejects it does, of necessity, fly to anarchy or to despotism.
- This of necessity involved the expulsion of those who inhabited the land.
- The eighteen essays of necessity cover a wide range of topics for a period beginning in about 1880.
- This is all aided and abetted by the amazing assertion that hard work of necessity brings rewards.
- This must of necessity bring her office and the judiciary into disrepute.
- Their culture and way of life must of necessity reflect a human-centred moral order.
- Australia would of necessity be less dependent on the American logistic system.
- Teaching at A-level is indeed often, of necessity, focused on passing the exam.
- Its loyalties are divided, of necessity, and the imperatives at work are contradictory.
- The prints made from such a plate are of necessity mirror images of the original drawings.
- The tone is of necessity at variance with that of everything that comes before it.
- It is, of necessity, one that is inescapably based on discrimination and discernment.
- All cooking was done in the oven or on the open fire, and of necessity we always had a fine selection of grimy bottomed pans.
- It's just that the definition of either half of that primal sentence is, of necessity, arbitrary.
Synonyms
necessarily, inevitably, unavoidably, by force of circumstance, inescapably, ineluctably

Origin

Late Middle English: from Old French necessite, from Latin necessitas, from necesse 'be needful'.

Definition of necessity in US English:

necessity

nounnəˈsesədēnəˈsɛsədi

1The fact of being required or indispensable.
需要；必要；不可或缺
the necessity of providing parental guidance should be apparent
the necessity for law and order
法律和秩序的必要性。
Example sentencesExamples
- A software package was developed which obviated the necessity of having instructors in every class.
- In that context, I stressed the necessity of repudiating all forms of U.S. patriotism.
- However, the existence of representative government doesn't obviate the necessity of enquiry.
- The necessity to make ports of entry more secure is acute.
- He stressed the necessity for exercising economy and using the minimum of water.
- He was little more than contemptuous of those who questioned the necessity of war.
- The necessity for a new route has also been questioned, amid suggestions that the existing Killarney / Farranfore road could be upgraded and re-aligned.
- No, there are very serious differences, historical differences, and from the practical point of view there is no necessity to export democracy.
- This year there has been no necessity for farmers to choose between the census or the simplified systems.
- The long-felt necessity for a state-of-the art gallery of art was realised at last with the initiative of the State Government.
- Their stance demonstrates the utter necessity of this unwelcome war.
- As well as the urgent necessity for further resources, there is also a crying need to better manage the resources that we already have.
- The necessity for clarity of meaning for his listening public imposed a new discipline on both his poetry and prose pieces and this improved his work, exposing obscurities.
- There is rarely any necessity to trim the plants, though there might be an occasional need to remove dried leaves, wilted flowers and lifeless stems.
- But the fact that the necessity for dialogue has to be stressed in the more than 50-year-old alliance shows how tense relations are in reality.
- The necessity to have access to larger markets is absolutely crucial.
- These people seem to live in an alternate reality where there is no necessity for their words to correspond to anything that happens in the world.
- This being the case, there is no real necessity to introduce new laws hurriedly.
- Such laws, he said, were ‘in danger of discrediting our parliament if we let that necessity to have high standards in public life lead to an intrusion into private family life’.
- I believe that the economic necessity for innovation and creativity will ultimately drive greater acceptance of diversity.
- There is no necessity to hospitalize the patient.
- They recognized the absolute necessity of having some maturity in the country's leadership.
- The necessity for a sewage scheme to be installed in Shrule because of the serious health hazard that exists there, has been raised with the County Medical Officer.
Synonyms
essential requirement, prerequisite, indispensable item, indispensable thing, essential, requisite, necessary, fundamental, basic
indispensability, need, needfulness
1. 1.1 Unavoidability.
  必然性
  the necessity of growing old
  衰老的必然性。
  Example sentencesExamples
  Of necessity there will be a certain amount of overlapping, because many of the same arguments, or approximations thereof, have been employed by more than one critic.
  At this time thinking was dominated by Kant who had stated that Euclidean geometry is the inevitable necessity of thought.
  Underneath this official language of inevitability and necessity, Woolf detects an irrepressible internal pressure.
  For Burke, expedience and necessity was everything - it was not only inevitable but necessary that America free itself from the yoke of English rule.
  Like theoretical reasoning, practical reasoning seeks in a sense to demonstrate the necessity of certain actions.
  Accordingly, this application has arguable probability, not inexorable logical or theological necessity.
  Annie clutched her teddy to her chest tightly and felt every conceivable option she could have had in her life melt into a single inescapable necessity.
  On the level of the abstract theory of capital expansion and exploitation, it is not possible to argue for the inevitable necessity of the North-South divide.
  Men never do any good, he asserts, except by necessity.
  In the case of the necessity of substance, there is certainly a conception of a ‘whole’ which is just the sum of its parts and therefore something whose identity is dependent upon that of its parts.
  However, no systematic rules for the necessity of a certain sequence have been recognized.
  Synonyms
  inevitability, unavoidability, certainty, inescapability, inexorability, ineluctability
2. 1.2 A state of things or circumstances enforcing a certain course.
  强制性，强迫性
  created more by necessity than design
  多因不得已而创作，而非计划如此。
  Example sentencesExamples
  In many cases it was financial necessity that forced great pugilists back, with disastrous consequences.
  Inserting amendments as and when necessity arises would have been a better strategy.
  But the decision to exit might be dictated by necessity more than bad faith.
  Necessity drove him to see if he could get to the corner shop on his own.
  All these were developments brought about through the perceived economic necessity of the time.
  Patients can often figure out ingenious ways to treat themselves when necessity forces their hand.
  In his political writings, necessity ousts God.
  It is driven by political necessity, and racial opportunism.
  Ending the draft was a political and moral necessity.
  Political ideology is the result of individuals making statements about the world based on theory, and in many cases, political necessity.
  But in all likelihood, bureaucratic necessity drove most police transfers.
  Such people are forced by necessity to buy the cheapest ticket possible.
  But necessity requires that I have to have at least a bit of help from each of you against him.
  But they were warned beforehand that they should not exceed the limit of the bare necessity of the war.
  In ordinary life, explanations that invoke chance, necessity, or design cover every eventuality.
  Basically the self is two things: the self is relational; all that means is, we are certain things by necessity in the world.
  Of course, political necessity prevented the president from blurting the awkward truth that the nation is already running near-record deficits.
  Vacations when you have kids are somewhat constrained by necessity.
  What made religious toleration and later freedom of conscience possible in England was not theoretical argument but political necessity.
  Necessity had forced him to discover more about his flying, once again.
  Like the wolf or the deer, travellers' actions are dictated by practical necessity rather than political idealism.
  Synonyms
  force of circumstance, pressure of circumstance, need, obligation, call, exigency
2An indispensable thing.
必需品
a good book is a necessity when traveling
出门旅行时，一本好书是必不可少的。
Example sentencesExamples
- Hundreds of thousands of people lack the basic necessities of life and are vulnerable to disease and possibly starvation.
- Streams of people packed hypermarkets, supermarkets and convenience stores to stockpile household necessities.
- Health care is not a golf game, it's a human necessity.
- Sophisticated telecommunications have become a basic necessity of everyday life.
- Morphine had become an " absolute necessity of life " for this user.
- Sleep ranks at the top of the list of human necessities - right along with air, water and food.
- Basic medical necessities, however, are either nonexistent or in short supply.
- Store clothing, dishes, food and other household necessities within easy reach.
- Each of the group was allowed to bring three basic necessities - a torch, a sleeping bag and warm clothes.
- Apart from beer and fags the household necessities in most families are bought by women.
- Mayor Street defends the cuts as an unpleasant necessity due to the city's financial straits.
- You drastically cut back on basic necessities such as food or travel to pay creditors.
- As soon as she arrived at her room, she began to pack a few nondescript clothes and a few basic necessities.
- I would now like to share with you friends, another crucial requirement and necessity for our country.
- These patients do not have even basic necessities such as clothes, soap and toothpaste.
- The ship's commander refused to pass on even clothes, food and basic necessities to his prisoners.
- The impact of the war will be felt particularly on two heavily-traded basic necessities, oil and food.
- Internationalism is not simply a utopian ideal, but an urgent practical necessity.
- By all means, spend your available cash on necessities like food, shelter and clothing.
- So in some cases, it's perceived by the employer as a business necessity.
- Employers have moved diversity from a " nice thing to do " to a business necessity.
Synonyms
essential requirement, prerequisite, indispensable item, indispensable thing, essential, requisite, necessary, fundamental, basic
3Philosophy
The principle according to which something must be so, by virtue either of logic or of natural law.
〔哲〕必然性
Example sentencesExamples
- By art, Benjamin means the interpretive, cognitive processes which by necessity always dominate a process such as painting.
- Hume notes the criticism that necessity undermines morality since it eliminates moral choice.
- The reaction of some to this whole exercise will be to say that it fortifies a dislike they had always had for natural necessity - even before it was relativised to a time.
- Hence, masculinity, femininity and homosexuality were transformed from the realm of biological necessity to that of custom.
- The logic of value can only constitute a necessity in the sense in which Hegel presents necessity.
- He also believed that moral agency and freedom are compatible with metaphysical necessity.
- Capitalism, by necessity, must do this in order to establish and support inequality because Capitalism is inequality.
- Modal logic is the logic of possibility and necessity and the study of modal logic, as a discipline, has flourished in the latter half of the twentieth century.
- Any such project must, by necessity, be selective.
- However, if we're talking about deontic necessity - the logic of what ought to be - then things are different.
- Of necessity it must deal with a ruling class that owns the material means of extracting or distributing information, or with a producing class that extracts and distributes.
- Pre-biotic natural selection and chemical necessity cannot, as a logical matter, explain the origin of biological information.
- Keep in mind, though, that not all entities, according to Aquinas, have an essence, though all, by necessity, have a form.
- The necessity which causation involves is at most ‘natural’ or ‘physical’ necessity, not metaphysical necessity.
- Moreover, the vital role played by the truths given above in all scientific explanation persuaded Kant that a theory of objectivity would also provide an explanation of natural necessity.
- Such events constitute given facts and their conjunctions exhaust the objective content of our idea of natural necessity.
- And in obeying this necessity, Spinoza goes on to argue, we are completely free.
- If you have partial darkness you must by necessity also have partial light.
- But since the Idea of Causation is a necessary condition of the very possibility of objective empirical knowledge, Newton's laws must share this necessity.
- In addition, God has, though not with metaphysical necessity, all the moral perfections.
- He strongly objected, however, to any suggestion that necessity can also be properly attributed to the properties or relationships of the things described in such sentences.
1. 3.1 A condition that cannot be otherwise, or a statement asserting this.
  必然情况；断言
  Example sentencesExamples
  Artists of this region have always created art out of a necessity that transcends the restrictive conditions imposed upon them.
  Some critics may see this as collaborating with enemies of the environment, but Herd understands this as a necessity that parallels the balance of mankind and nature.
  Robespierre was a disciple of Rousseau - both considered the general will an absolute necessity.
  Vengeance may hold a primitive necessity, but it offers neither redemption nor relief.
  The absolute necessity of the judgment is only a conditioned necessity of the thing, or of the predicate in the judgment.
  There is no evidence that it was for Foucault, nor that he intended to suggest anything other than realization of the fact of observation as a critical necessity.
  If that is the case, intervention, when it is constructive, is an objective necessity, so that auditing its personnel could be introduced.
  Whence the force of the second ‘not’, which I take to be more than just the assertion of a pragmatic necessity in the teeth of radical scepticism.
  Synonyms
  stipulation, constraint, prerequisite, precondition, requirement, rule, term, specification, provision, proviso, qualification

Phrases

necessity is the mother of invention

proverb When the need for something becomes imperative, you are forced to find ways of getting or achieving it.
〈谚〉需要乃发明之母
Example sentencesExamples
- They say necessity is the mother of invention, and Wright has done a masterful job shaping his four-guard offense in the wake of Sumpter's knee injury.
- If necessity is the mother of invention, staring at a wall of trees numbering some 100,000 per hectare ought to get you thinking.
- As in many types of discovery, necessity is the mother of invention.
- Necessity being the mother of invention, he improvised where he had to.
- They say necessity is the mother of invention, and that's how Thomas developed his versatile role last season.
- As is the case around the world, necessity is the mother of invention and innovative cooking techniques developed to make the most of what the land could provide.
- If necessity is the mother of invention, these nations are in a good position to innovate in discovering and deploying applications that are of value to rural populations.
- If necessity is the mother of invention, Hurricane Katrina has forced some in this city to reinvent the way they do business.
- The idea is that necessity isn't always the mother of invention.
- After all, necessity is the mother of invention, even in golf.

of necessity

Unavoidably.
必然性
to alleviate labor shortages employers will, of necessity, offer better deals for part-timers
Example sentencesExamples
- The tone is of necessity at variance with that of everything that comes before it.
- The eighteen essays of necessity cover a wide range of topics for a period beginning in about 1880.
- Its loyalties are divided, of necessity, and the imperatives at work are contradictory.
- It is, of necessity, one that is inescapably based on discrimination and discernment.
- This of necessity involved the expulsion of those who inhabited the land.
- This must of necessity bring her office and the judiciary into disrepute.
- Teaching at A-level is indeed often, of necessity, focused on passing the exam.
- All cooking was done in the oven or on the open fire, and of necessity we always had a fine selection of grimy bottomed pans.
- Whoever rejects it does, of necessity, fly to anarchy or to despotism.
- It's just that the definition of either half of that primal sentence is, of necessity, arbitrary.
- The prints made from such a plate are of necessity mirror images of the original drawings.
- Their culture and way of life must of necessity reflect a human-centred moral order.
- Australia would of necessity be less dependent on the American logistic system.
- This is all aided and abetted by the amazing assertion that hard work of necessity brings rewards.
Synonyms
necessarily, inevitably, unavoidably, by force of circumstance, inescapably, ineluctably

Origin

Late Middle English: from Old French necessite, from Latin necessitas, from necesse ‘be needful’.

单词	necessity
释义	Definition of necessity in English: necessity nounPlural necessities nɪˈsɛsɪtinəˈsɛsədi 1mass noun The state or fact of being required. the necessity of providing parental guidance Example sentencesExamples The necessity to make ports of entry more secure is acute. He stressed the necessity for exercising economy and using the minimum of water. But the fact that the necessity for dialogue has to be stressed in the more than 50-year-old alliance shows how tense relations are in reality. The necessity for a new route has also been questioned, amid suggestions that the existing Killarney / Farranfore road could be upgraded and re-aligned. They recognized the absolute necessity of having some maturity in the country's leadership. There is no necessity to hospitalize the patient. The necessity for clarity of meaning for his listening public imposed a new discipline on both his poetry and prose pieces and this improved his work, exposing obscurities. He was little more than contemptuous of those who questioned the necessity of war. The necessity for a sewage scheme to be installed in Shrule because of the serious health hazard that exists there, has been raised with the County Medical Officer. These people seem to live in an alternate reality where there is no necessity for their words to correspond to anything that happens in the world. No, there are very serious differences, historical differences, and from the practical point of view there is no necessity to export democracy. Such laws, he said, were ‘in danger of discrediting our parliament if we let that necessity to have high standards in public life lead to an intrusion into private family life’. The necessity to have access to larger markets is absolutely crucial. There is rarely any necessity to trim the plants, though there might be an occasional need to remove dried leaves, wilted flowers and lifeless stems. Their stance demonstrates the utter necessity of this unwelcome war. In that context, I stressed the necessity of repudiating all forms of U.S. patriotism. As well as the urgent necessity for further resources, there is also a crying need to better manage the resources that we already have. The long-felt necessity for a state-of-the art gallery of art was realised at last with the initiative of the State Government. However, the existence of representative government doesn't obviate the necessity of enquiry. A software package was developed which obviated the necessity of having instructors in every class. I believe that the economic necessity for innovation and creativity will ultimately drive greater acceptance of diversity. This being the case, there is no real necessity to introduce new laws hurriedly. This year there has been no necessity for farmers to choose between the census or the simplified systems. Synonyms indispensability, need, needfulness 1.1 The state of being unavoidable. the necessity of growing old 衰老的必然性。 Example sentencesExamples In the case of the necessity of substance, there is certainly a conception of a ‘whole’ which is just the sum of its parts and therefore something whose identity is dependent upon that of its parts. Like theoretical reasoning, practical reasoning seeks in a sense to demonstrate the necessity of certain actions. Annie clutched her teddy to her chest tightly and felt every conceivable option she could have had in her life melt into a single inescapable necessity. At this time thinking was dominated by Kant who had stated that Euclidean geometry is the inevitable necessity of thought. Of necessity there will be a certain amount of overlapping, because many of the same arguments, or approximations thereof, have been employed by more than one critic. Men never do any good, he asserts, except by necessity. However, no systematic rules for the necessity of a certain sequence have been recognized. On the level of the abstract theory of capital expansion and exploitation, it is not possible to argue for the inevitable necessity of the North-South divide. Accordingly, this application has arguable probability, not inexorable logical or theological necessity. For Burke, expedience and necessity was everything - it was not only inevitable but necessary that America free itself from the yoke of English rule. Underneath this official language of inevitability and necessity, Woolf detects an irrepressible internal pressure. Synonyms inevitability, unavoidability, certainty, inescapability, inexorability, ineluctability 1.2 A situation enforcing a certain course of action. political necessity induced him to consider it Example sentencesExamples Vacations when you have kids are somewhat constrained by necessity. Of course, political necessity prevented the president from blurting the awkward truth that the nation is already running near-record deficits. Such people are forced by necessity to buy the cheapest ticket possible. What made religious toleration and later freedom of conscience possible in England was not theoretical argument but political necessity. Necessity had forced him to discover more about his flying, once again. Necessity drove him to see if he could get to the corner shop on his own. All these were developments brought about through the perceived economic necessity of the time. In many cases it was financial necessity that forced great pugilists back, with disastrous consequences. Political ideology is the result of individuals making statements about the world based on theory, and in many cases, political necessity. In his political writings, necessity ousts God. Patients can often figure out ingenious ways to treat themselves when necessity forces their hand. Like the wolf or the deer, travellers' actions are dictated by practical necessity rather than political idealism. But the decision to exit might be dictated by necessity more than bad faith. In ordinary life, explanations that invoke chance, necessity, or design cover every eventuality. But in all likelihood, bureaucratic necessity drove most police transfers. Basically the self is two things: the self is relational; all that means is, we are certain things by necessity in the world. It is driven by political necessity, and racial opportunism. But necessity requires that I have to have at least a bit of help from each of you against him. Ending the draft was a political and moral necessity. But they were warned beforehand that they should not exceed the limit of the bare necessity of the war. Inserting amendments as and when necessity arises would have been a better strategy. Synonyms force/pressure of circumstance, need, obligation, call, exigency crisis, emergency, urgency French force majeure 2An indispensable thing. 必需品 a good book is a necessity when travelling 出门旅行时，一本好书是必不可少的。 Example sentencesExamples Basic medical necessities, however, are either nonexistent or in short supply. Mayor Street defends the cuts as an unpleasant necessity due to the city's financial straits. Hundreds of thousands of people lack the basic necessities of life and are vulnerable to disease and possibly starvation. The ship's commander refused to pass on even clothes, food and basic necessities to his prisoners. The impact of the war will be felt particularly on two heavily-traded basic necessities, oil and food. You drastically cut back on basic necessities such as food or travel to pay creditors. Health care is not a golf game, it's a human necessity. Store clothing, dishes, food and other household necessities within easy reach. I would now like to share with you friends, another crucial requirement and necessity for our country. Apart from beer and fags the household necessities in most families are bought by women. As soon as she arrived at her room, she began to pack a few nondescript clothes and a few basic necessities. Streams of people packed hypermarkets, supermarkets and convenience stores to stockpile household necessities. Sophisticated telecommunications have become a basic necessity of everyday life. By all means, spend your available cash on necessities like food, shelter and clothing. Internationalism is not simply a utopian ideal, but an urgent practical necessity. Sleep ranks at the top of the list of human necessities - right along with air, water and food. Each of the group was allowed to bring three basic necessities - a torch, a sleeping bag and warm clothes. These patients do not have even basic necessities such as clothes, soap and toothpaste. Morphine had become an " absolute necessity of life " for this user. Employers have moved diversity from a " nice thing to do " to a business necessity. So in some cases, it's perceived by the employer as a business necessity. Synonyms essential requirement, prerequisite, indispensable item, indispensable thing, essential, requisite, necessary, fundamental, basic 3Philosophy mass noun The principle according to which something must be so, by virtue either of logic or of natural law. 〔哲〕必然性 Example sentencesExamples Pre-biotic natural selection and chemical necessity cannot, as a logical matter, explain the origin of biological information. Any such project must, by necessity, be selective. But since the Idea of Causation is a necessary condition of the very possibility of objective empirical knowledge, Newton's laws must share this necessity. Modal logic is the logic of possibility and necessity and the study of modal logic, as a discipline, has flourished in the latter half of the twentieth century. And in obeying this necessity, Spinoza goes on to argue, we are completely free. In addition, God has, though not with metaphysical necessity, all the moral perfections. The necessity which causation involves is at most ‘natural’ or ‘physical’ necessity, not metaphysical necessity. Capitalism, by necessity, must do this in order to establish and support inequality because Capitalism is inequality. Such events constitute given facts and their conjunctions exhaust the objective content of our idea of natural necessity. He also believed that moral agency and freedom are compatible with metaphysical necessity. He strongly objected, however, to any suggestion that necessity can also be properly attributed to the properties or relationships of the things described in such sentences. Keep in mind, though, that not all entities, according to Aquinas, have an essence, though all, by necessity, have a form. By art, Benjamin means the interpretive, cognitive processes which by necessity always dominate a process such as painting. The logic of value can only constitute a necessity in the sense in which Hegel presents necessity. Of necessity it must deal with a ruling class that owns the material means of extracting or distributing information, or with a producing class that extracts and distributes. If you have partial darkness you must by necessity also have partial light. The reaction of some to this whole exercise will be to say that it fortifies a dislike they had always had for natural necessity - even before it was relativised to a time. Hence, masculinity, femininity and homosexuality were transformed from the realm of biological necessity to that of custom. However, if we're talking about deontic necessity - the logic of what ought to be - then things are different. Hume notes the criticism that necessity undermines morality since it eliminates moral choice. Moreover, the vital role played by the truths given above in all scientific explanation persuaded Kant that a theory of objectivity would also provide an explanation of natural necessity. 3.1count noun A condition that cannot be otherwise, or a statement asserting this. 必然情况；断言 Example sentencesExamples The absolute necessity of the judgment is only a conditioned necessity of the thing, or of the predicate in the judgment. There is no evidence that it was for Foucault, nor that he intended to suggest anything other than realization of the fact of observation as a critical necessity. Some critics may see this as collaborating with enemies of the environment, but Herd understands this as a necessity that parallels the balance of mankind and nature. Vengeance may hold a primitive necessity, but it offers neither redemption nor relief. Artists of this region have always created art out of a necessity that transcends the restrictive conditions imposed upon them. If that is the case, intervention, when it is constructive, is an objective necessity, so that auditing its personnel could be introduced. Whence the force of the second ‘not’, which I take to be more than just the assertion of a pragmatic necessity in the teeth of radical scepticism. Robespierre was a disciple of Rousseau - both considered the general will an absolute necessity. Synonyms stipulation, constraint, prerequisite, precondition, requirement, rule, term, specification, provision, proviso, qualification Phrases necessity is the mother of invention proverb When the need for something becomes essential, you are forced to find ways of getting or achieving it. 〈谚〉需要乃发明之母 Example sentencesExamples If necessity is the mother of invention, these nations are in a good position to innovate in discovering and deploying applications that are of value to rural populations. As in many types of discovery, necessity is the mother of invention. As is the case around the world, necessity is the mother of invention and innovative cooking techniques developed to make the most of what the land could provide. If necessity is the mother of invention, Hurricane Katrina has forced some in this city to reinvent the way they do business. After all, necessity is the mother of invention, even in golf. Necessity being the mother of invention, he improvised where he had to. They say necessity is the mother of invention, and Wright has done a masterful job shaping his four-guard offense in the wake of Sumpter's knee injury. They say necessity is the mother of invention, and that's how Thomas developed his versatile role last season. If necessity is the mother of invention, staring at a wall of trees numbering some 100,000 per hectare ought to get you thinking. The idea is that necessity isn't always the mother of invention. of necessity Unavoidably. 必然性 to alleviate labour shortages employers will, of necessity, offer better deals for part-timers Example sentencesExamples Whoever rejects it does, of necessity, fly to anarchy or to despotism. This of necessity involved the expulsion of those who inhabited the land. The eighteen essays of necessity cover a wide range of topics for a period beginning in about 1880. This is all aided and abetted by the amazing assertion that hard work of necessity brings rewards. This must of necessity bring her office and the judiciary into disrepute. Their culture and way of life must of necessity reflect a human-centred moral order. Australia would of necessity be less dependent on the American logistic system. Teaching at A-level is indeed often, of necessity, focused on passing the exam. Its loyalties are divided, of necessity, and the imperatives at work are contradictory. The prints made from such a plate are of necessity mirror images of the original drawings. The tone is of necessity at variance with that of everything that comes before it. It is, of necessity, one that is inescapably based on discrimination and discernment. All cooking was done in the oven or on the open fire, and of necessity we always had a fine selection of grimy bottomed pans. It's just that the definition of either half of that primal sentence is, of necessity, arbitrary. Synonyms necessarily, inevitably, unavoidably, by force of circumstance, inescapably, ineluctably Origin Late Middle English: from Old French necessite, from Latin necessitas, from necesse 'be needful'. noun.1 phr. Definition of necessity in US English: necessity nounnəˈsesədēnəˈsɛsədi 1The fact of being required or indispensable. 需要；必要；不可或缺 the necessity of providing parental guidance should be apparent the necessity for law and order 法律和秩序的必要性。 Example sentencesExamples A software package was developed which obviated the necessity of having instructors in every class. In that context, I stressed the necessity of repudiating all forms of U.S. patriotism. However, the existence of representative government doesn't obviate the necessity of enquiry. The necessity to make ports of entry more secure is acute. He stressed the necessity for exercising economy and using the minimum of water. He was little more than contemptuous of those who questioned the necessity of war. The necessity for a new route has also been questioned, amid suggestions that the existing Killarney / Farranfore road could be upgraded and re-aligned. No, there are very serious differences, historical differences, and from the practical point of view there is no necessity to export democracy. This year there has been no necessity for farmers to choose between the census or the simplified systems. The long-felt necessity for a state-of-the art gallery of art was realised at last with the initiative of the State Government. Their stance demonstrates the utter necessity of this unwelcome war. As well as the urgent necessity for further resources, there is also a crying need to better manage the resources that we already have. The necessity for clarity of meaning for his listening public imposed a new discipline on both his poetry and prose pieces and this improved his work, exposing obscurities. There is rarely any necessity to trim the plants, though there might be an occasional need to remove dried leaves, wilted flowers and lifeless stems. But the fact that the necessity for dialogue has to be stressed in the more than 50-year-old alliance shows how tense relations are in reality. The necessity to have access to larger markets is absolutely crucial. These people seem to live in an alternate reality where there is no necessity for their words to correspond to anything that happens in the world. This being the case, there is no real necessity to introduce new laws hurriedly. Such laws, he said, were ‘in danger of discrediting our parliament if we let that necessity to have high standards in public life lead to an intrusion into private family life’. I believe that the economic necessity for innovation and creativity will ultimately drive greater acceptance of diversity. There is no necessity to hospitalize the patient. They recognized the absolute necessity of having some maturity in the country's leadership. The necessity for a sewage scheme to be installed in Shrule because of the serious health hazard that exists there, has been raised with the County Medical Officer. Synonyms essential requirement, prerequisite, indispensable item, indispensable thing, essential, requisite, necessary, fundamental, basic indispensability, need, needfulness 1.1 Unavoidability. 必然性 the necessity of growing old 衰老的必然性。 Example sentencesExamples Of necessity there will be a certain amount of overlapping, because many of the same arguments, or approximations thereof, have been employed by more than one critic. At this time thinking was dominated by Kant who had stated that Euclidean geometry is the inevitable necessity of thought. Underneath this official language of inevitability and necessity, Woolf detects an irrepressible internal pressure. For Burke, expedience and necessity was everything - it was not only inevitable but necessary that America free itself from the yoke of English rule. Like theoretical reasoning, practical reasoning seeks in a sense to demonstrate the necessity of certain actions. Accordingly, this application has arguable probability, not inexorable logical or theological necessity. Annie clutched her teddy to her chest tightly and felt every conceivable option she could have had in her life melt into a single inescapable necessity. On the level of the abstract theory of capital expansion and exploitation, it is not possible to argue for the inevitable necessity of the North-South divide. Men never do any good, he asserts, except by necessity. In the case of the necessity of substance, there is certainly a conception of a ‘whole’ which is just the sum of its parts and therefore something whose identity is dependent upon that of its parts. However, no systematic rules for the necessity of a certain sequence have been recognized. Synonyms inevitability, unavoidability, certainty, inescapability, inexorability, ineluctability 1.2 A state of things or circumstances enforcing a certain course. 强制性，强迫性 created more by necessity than design 多因不得已而创作，而非计划如此。 Example sentencesExamples In many cases it was financial necessity that forced great pugilists back, with disastrous consequences. Inserting amendments as and when necessity arises would have been a better strategy. But the decision to exit might be dictated by necessity more than bad faith. Necessity drove him to see if he could get to the corner shop on his own. All these were developments brought about through the perceived economic necessity of the time. Patients can often figure out ingenious ways to treat themselves when necessity forces their hand. In his political writings, necessity ousts God. It is driven by political necessity, and racial opportunism. Ending the draft was a political and moral necessity. Political ideology is the result of individuals making statements about the world based on theory, and in many cases, political necessity. But in all likelihood, bureaucratic necessity drove most police transfers. Such people are forced by necessity to buy the cheapest ticket possible. But necessity requires that I have to have at least a bit of help from each of you against him. But they were warned beforehand that they should not exceed the limit of the bare necessity of the war. In ordinary life, explanations that invoke chance, necessity, or design cover every eventuality. Basically the self is two things: the self is relational; all that means is, we are certain things by necessity in the world. Of course, political necessity prevented the president from blurting the awkward truth that the nation is already running near-record deficits. Vacations when you have kids are somewhat constrained by necessity. What made religious toleration and later freedom of conscience possible in England was not theoretical argument but political necessity. Necessity had forced him to discover more about his flying, once again. Like the wolf or the deer, travellers' actions are dictated by practical necessity rather than political idealism. Synonyms force of circumstance, pressure of circumstance, need, obligation, call, exigency 2An indispensable thing. 必需品 a good book is a necessity when traveling 出门旅行时，一本好书是必不可少的。 Example sentencesExamples Hundreds of thousands of people lack the basic necessities of life and are vulnerable to disease and possibly starvation. Streams of people packed hypermarkets, supermarkets and convenience stores to stockpile household necessities. Health care is not a golf game, it's a human necessity. Sophisticated telecommunications have become a basic necessity of everyday life. Morphine had become an " absolute necessity of life " for this user. Sleep ranks at the top of the list of human necessities - right along with air, water and food. Basic medical necessities, however, are either nonexistent or in short supply. Store clothing, dishes, food and other household necessities within easy reach. Each of the group was allowed to bring three basic necessities - a torch, a sleeping bag and warm clothes. Apart from beer and fags the household necessities in most families are bought by women. Mayor Street defends the cuts as an unpleasant necessity due to the city's financial straits. You drastically cut back on basic necessities such as food or travel to pay creditors. As soon as she arrived at her room, she began to pack a few nondescript clothes and a few basic necessities. I would now like to share with you friends, another crucial requirement and necessity for our country. These patients do not have even basic necessities such as clothes, soap and toothpaste. The ship's commander refused to pass on even clothes, food and basic necessities to his prisoners. The impact of the war will be felt particularly on two heavily-traded basic necessities, oil and food. Internationalism is not simply a utopian ideal, but an urgent practical necessity. By all means, spend your available cash on necessities like food, shelter and clothing. So in some cases, it's perceived by the employer as a business necessity. Employers have moved diversity from a " nice thing to do " to a business necessity. Synonyms essential requirement, prerequisite, indispensable item, indispensable thing, essential, requisite, necessary, fundamental, basic 3Philosophy The principle according to which something must be so, by virtue either of logic or of natural law. 〔哲〕必然性 Example sentencesExamples By art, Benjamin means the interpretive, cognitive processes which by necessity always dominate a process such as painting. Hume notes the criticism that necessity undermines morality since it eliminates moral choice. The reaction of some to this whole exercise will be to say that it fortifies a dislike they had always had for natural necessity - even before it was relativised to a time. Hence, masculinity, femininity and homosexuality were transformed from the realm of biological necessity to that of custom. The logic of value can only constitute a necessity in the sense in which Hegel presents necessity. He also believed that moral agency and freedom are compatible with metaphysical necessity. Capitalism, by necessity, must do this in order to establish and support inequality because Capitalism is inequality. Modal logic is the logic of possibility and necessity and the study of modal logic, as a discipline, has flourished in the latter half of the twentieth century. Any such project must, by necessity, be selective. However, if we're talking about deontic necessity - the logic of what ought to be - then things are different. Of necessity it must deal with a ruling class that owns the material means of extracting or distributing information, or with a producing class that extracts and distributes. Pre-biotic natural selection and chemical necessity cannot, as a logical matter, explain the origin of biological information. Keep in mind, though, that not all entities, according to Aquinas, have an essence, though all, by necessity, have a form. The necessity which causation involves is at most ‘natural’ or ‘physical’ necessity, not metaphysical necessity. Moreover, the vital role played by the truths given above in all scientific explanation persuaded Kant that a theory of objectivity would also provide an explanation of natural necessity. Such events constitute given facts and their conjunctions exhaust the objective content of our idea of natural necessity. And in obeying this necessity, Spinoza goes on to argue, we are completely free. If you have partial darkness you must by necessity also have partial light. But since the Idea of Causation is a necessary condition of the very possibility of objective empirical knowledge, Newton's laws must share this necessity. In addition, God has, though not with metaphysical necessity, all the moral perfections. He strongly objected, however, to any suggestion that necessity can also be properly attributed to the properties or relationships of the things described in such sentences. 3.1 A condition that cannot be otherwise, or a statement asserting this. 必然情况；断言 Example sentencesExamples Artists of this region have always created art out of a necessity that transcends the restrictive conditions imposed upon them. Some critics may see this as collaborating with enemies of the environment, but Herd understands this as a necessity that parallels the balance of mankind and nature. Robespierre was a disciple of Rousseau - both considered the general will an absolute necessity. Vengeance may hold a primitive necessity, but it offers neither redemption nor relief. The absolute necessity of the judgment is only a conditioned necessity of the thing, or of the predicate in the judgment. There is no evidence that it was for Foucault, nor that he intended to suggest anything other than realization of the fact of observation as a critical necessity. If that is the case, intervention, when it is constructive, is an objective necessity, so that auditing its personnel could be introduced. Whence the force of the second ‘not’, which I take to be more than just the assertion of a pragmatic necessity in the teeth of radical scepticism. Synonyms stipulation, constraint, prerequisite, precondition, requirement, rule, term, specification, provision, proviso, qualification Phrases necessity is the mother of invention proverb When the need for something becomes imperative, you are forced to find ways of getting or achieving it. 〈谚〉需要乃发明之母 Example sentencesExamples They say necessity is the mother of invention, and Wright has done a masterful job shaping his four-guard offense in the wake of Sumpter's knee injury. If necessity is the mother of invention, staring at a wall of trees numbering some 100,000 per hectare ought to get you thinking. As in many types of discovery, necessity is the mother of invention. Necessity being the mother of invention, he improvised where he had to. They say necessity is the mother of invention, and that's how Thomas developed his versatile role last season. As is the case around the world, necessity is the mother of invention and innovative cooking techniques developed to make the most of what the land could provide. If necessity is the mother of invention, these nations are in a good position to innovate in discovering and deploying applications that are of value to rural populations. If necessity is the mother of invention, Hurricane Katrina has forced some in this city to reinvent the way they do business. The idea is that necessity isn't always the mother of invention. After all, necessity is the mother of invention, even in golf. of necessity Unavoidably. 必然性 to alleviate labor shortages employers will, of necessity, offer better deals for part-timers Example sentencesExamples The tone is of necessity at variance with that of everything that comes before it. The eighteen essays of necessity cover a wide range of topics for a period beginning in about 1880. Its loyalties are divided, of necessity, and the imperatives at work are contradictory. It is, of necessity, one that is inescapably based on discrimination and discernment. This of necessity involved the expulsion of those who inhabited the land. This must of necessity bring her office and the judiciary into disrepute. Teaching at A-level is indeed often, of necessity, focused on passing the exam. All cooking was done in the oven or on the open fire, and of necessity we always had a fine selection of grimy bottomed pans. Whoever rejects it does, of necessity, fly to anarchy or to despotism. It's just that the definition of either half of that primal sentence is, of necessity, arbitrary. The prints made from such a plate are of necessity mirror images of the original drawings. Their culture and way of life must of necessity reflect a human-centred moral order. Australia would of necessity be less dependent on the American logistic system. This is all aided and abetted by the amazing assertion that hard work of necessity brings rewards. Synonyms necessarily, inevitably, unavoidably, by force of circumstance, inescapably, ineluctably Origin Late Middle English: from Old French necessite, from Latin necessitas, from necesse ‘be needful’. noun.1 phr.
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