Definition of prevent in English:

prevent

verb prɪˈvɛntprəˈvɛnt

[with object]

1Keep (something) from happening.
妨碍，制止
action must be taken to prevent further accidents
应当采取行动阻止事故进一步发生。
Example sentencesExamples
- Unable to prevent the sliding, the authorities had no choice but to abandon the project.
- New security guidelines and technology are being put in place to prevent a similar problem happening again.
- When my wife and I were mugged someone got a police officer in no time but we should be trying to prevent the attacks happening.
- But her experiences made her determined to prevent the same thing happening to others.
- Ultimately, it was unable to prevent the Soviet invasion of the Baltic states in 1940.
- Too often one finds that two or three players make the same runs into space when a little bit of thought would have prevented it happening.
- It may involve going to Pearson Airport to try to prevent a deportation from happening.
- To compound matters he was unable to prevent the club from being relegated last season.
- Each is a tragedy, and it is right to seek solutions to why it happened, and to try to prevent them happening again.
- They could plan how it must happen; they turned the ship of state around and prevented it from being wrecked on the rocks of revenge.
- Perhaps if she and her parents could have had the help and support needed it might have gone a long way in preventing this tragedy from happening.
- As with most management problems, the key to preventing a crisis from happening is early recognition.
- The prime focus for us is to prevent them happening in the first place.
- And he made an impassioned plea for changes to be made to prevent a similar tragedy happening again.
- Anything that can prevent a tragedy from happening should be carefully adhered to.
- We rang all our news outlets to explain the difficulties to them and are doing all we can to prevent the same thing happening again.
- Surprise checks by the police, during day and night, can go a long way in checking the menace, thus preventing fatal road accidents.
- The union was unable to prevent the strike, but it is instructive to look at how it was conducted.
- We talk about it now, we know it's there, we have a small army of social workers dedicated to identifying it and preventing it from happening again.
- I think that avoidable deaths like these could be prevented if people could stop smoking publicly.
Synonyms
stop, put a stop to, avert, nip in the bud, fend off, turn aside, stave off, ward off, head off, shut out, block, intercept, halt, arrest, check, stay
1. 1.1 Stop (someone) from doing something.
  locks won't prevent a determined burglar from getting in
  the guards threatened to bar the gates to prevent him leaving
  Example sentencesExamples
  Taylor's slip prevented him from intercepting Robert's cross and a scrum of bodies stopped the ball crossing the line.
  They have blocked her driveway, preventing her family from returning home.
  But on the margin, it prevents a lot of people from taking steps that might lead to bankruptcy and deprivation.
  The purple dye stays on the finger for about a week to prevent anyone trying to vote a second time.
  In a desperate attempt to restrain him she then sat on him to try to prevent him from moving.
  Decorum prevents me from providing you with specific examples.
  Scenario 3: A flight or other travel delay prevents you from arriving at the dock before the ship sails.
  And yet the checks designed to prevent such people being employed in schools raised no alarms.
  In his introduction, Hughes says that this nightmare was necessary for him to overcome the block that had prevented him from writing the book.
  Fortunately his girth prevents him from even thinking about scaling the bookcase, so the back of the futon is about as much of a Matterhorn as he can manage.
  It was made without notice and so excluded the defendant from the process and prevented him from challenging it, he said.
  Drooping fatty tissue from her stomach area extends from her body and prevents her from walking, she and Turner say.
  Worsening eyesight prevents her from seeing the screen easily and lately she has been reading with the aid of a magnifying glass.
  Too often I find that when it comes to matters of faith my reason overwhelms my emotions and prevents me from responding with true charity.
  As if on cue, a tire started going flat Saturday, but a timely pit stop prevented him from losing much position.
  This widespread belief prevents us from being on guard as ads besiege us.
  Several neighbours rushed to help the Brownes but they were unable to prevent the men escaping.
  I'll confess my own agoraphobia, which prevents me from enjoying opening nights of popular movies.
  He was then arrested and grabbed by the throat to prevent him swallowing anything.
  Frustration is a blockage, you are prevented from fulfilling your desires.
  The police are there to pick up the pieces, to find the perpetrator and see that justice prevents him from doing it again.
  Parents should also ensure their fences and gates are secure to prevent children from getting out.
  He said his client did not understand that the order preventing him from buying alcohol stopped him from entering pubs, and he had only wanted a soft drink.
  Real courage is not shooting people down, but preventing them from shooting.
  It prevents people from stopping and loitering there for all hours of the night and deciding what mischief they're going to get up to.
  When it did eventually get underway there were several red flag incidents, stopping the session and preventing anyone really getting into their rhythm.
  Well ok, it was only a dream, but the point is it stopped me getting a good night's sleep, which prevented me from writing to my full capacity today.
  This would also save NHS resources by preventing patients from being unnecessarily added to waiting lists.
  Develop your plan - then make a back up plan in case the crisis prevents you from using your preferred location and team.
  This prevents him from being able to negotiate with other European leaders from anything resembling a position of strength.
  Once home, Charlie's connection to family prevents him from collapsing in racial self-hatred when he is unable to find work.
  There's nothing in anything that was done last night that prevents us from filibustering somebody that's extreme.
  Can revulsion be classified as an adaptive mechanism that prevents us from coming into contact with contaminants?
  However, none of that prevents me from honoring the courage and sacrifice of my Confederate ancestors.
  It is in my judgment equally likely that he has some mental or psychological block that simply prevents him from considering any other point of view.
  PIN-protect your mobile phone to prevent anyone checking your text messages or address book.
  It should be noted that her inability to perceive reality prevents her from understanding that she is the cause of her problems.
  Ricin works by getting inside a person's cells and preventing them from making necessary proteins.
  Checks were made in the roof space but fire spread prevented us from entering the attic.
  I could have stopped the invasion where it was… but something prevented me.
  Synonyms
  stop, put a stop to, avert, nip in the bud, fend off, turn aside, stave off, ward off, head off, shut out, block, intercept, halt, arrest, check, stay
2archaic (of God) go before (someone) with spiritual guidance and help.
〈古〉（上帝）引领
Example sentencesExamples
- The abiding Spirit prevents a humanistic, rationalistic understanding of truth.

Origin

Late Middle English (in the sense 'act in anticipation of'): from Latin praevent- 'preceded, hindered', from the verb praevenire, from prae 'before' + venire 'come'.

People originally used prevent to mean ‘to act in anticipation of or in preparation for something’, as in the 17th-century poet George Herbert's lines ‘Thus we prevent the last great day, / And judge our selves.’ Similarly, you could once talk about preventing someone's wishes or desires, for anticipating them. The word comes from Latin praevenire ‘to precede or hinder’. In time to prevent something was to thwart someone's plans, from which developed the idea of stopping something from happening. Prevention is better than cure dates from the 17th century. An early example comes from 1618: ‘Prevention is so much better than healing, because it saves the labour of being sick.’

Definition of prevent in US English:

prevent

verbprəˈvɛntprəˈvent

[with object]

1Keep (something) from happening or arising.
妨碍，制止
action must be taken to prevent further accidents
应当采取行动阻止事故进一步发生。
Example sentencesExamples
- To compound matters he was unable to prevent the club from being relegated last season.
- Perhaps if she and her parents could have had the help and support needed it might have gone a long way in preventing this tragedy from happening.
- I think that avoidable deaths like these could be prevented if people could stop smoking publicly.
- New security guidelines and technology are being put in place to prevent a similar problem happening again.
- Ultimately, it was unable to prevent the Soviet invasion of the Baltic states in 1940.
- Too often one finds that two or three players make the same runs into space when a little bit of thought would have prevented it happening.
- Surprise checks by the police, during day and night, can go a long way in checking the menace, thus preventing fatal road accidents.
- And he made an impassioned plea for changes to be made to prevent a similar tragedy happening again.
- But her experiences made her determined to prevent the same thing happening to others.
- The prime focus for us is to prevent them happening in the first place.
- Anything that can prevent a tragedy from happening should be carefully adhered to.
- Each is a tragedy, and it is right to seek solutions to why it happened, and to try to prevent them happening again.
- We talk about it now, we know it's there, we have a small army of social workers dedicated to identifying it and preventing it from happening again.
- Unable to prevent the sliding, the authorities had no choice but to abandon the project.
- We rang all our news outlets to explain the difficulties to them and are doing all we can to prevent the same thing happening again.
- The union was unable to prevent the strike, but it is instructive to look at how it was conducted.
- They could plan how it must happen; they turned the ship of state around and prevented it from being wrecked on the rocks of revenge.
- It may involve going to Pearson Airport to try to prevent a deportation from happening.
- As with most management problems, the key to preventing a crisis from happening is early recognition.
- When my wife and I were mugged someone got a police officer in no time but we should be trying to prevent the attacks happening.
Synonyms
stop, put a stop to, avert, nip in the bud, fend off, turn aside, stave off, ward off, head off, shut out, block, intercept, halt, arrest, check, stay
1. 1.1 Make (someone or something) unable to do something.
  阻止，阻挡
  window locks won't prevent a determined burglar from getting in
  Example sentencesExamples
  This prevents him from being able to negotiate with other European leaders from anything resembling a position of strength.
  Drooping fatty tissue from her stomach area extends from her body and prevents her from walking, she and Turner say.
  It should be noted that her inability to perceive reality prevents her from understanding that she is the cause of her problems.
  Worsening eyesight prevents her from seeing the screen easily and lately she has been reading with the aid of a magnifying glass.
  Well ok, it was only a dream, but the point is it stopped me getting a good night's sleep, which prevented me from writing to my full capacity today.
  Parents should also ensure their fences and gates are secure to prevent children from getting out.
  Frustration is a blockage, you are prevented from fulfilling your desires.
  It was made without notice and so excluded the defendant from the process and prevented him from challenging it, he said.
  The purple dye stays on the finger for about a week to prevent anyone trying to vote a second time.
  When it did eventually get underway there were several red flag incidents, stopping the session and preventing anyone really getting into their rhythm.
  Several neighbours rushed to help the Brownes but they were unable to prevent the men escaping.
  I'll confess my own agoraphobia, which prevents me from enjoying opening nights of popular movies.
  Checks were made in the roof space but fire spread prevented us from entering the attic.
  The police are there to pick up the pieces, to find the perpetrator and see that justice prevents him from doing it again.
  Too often I find that when it comes to matters of faith my reason overwhelms my emotions and prevents me from responding with true charity.
  As if on cue, a tire started going flat Saturday, but a timely pit stop prevented him from losing much position.
  Real courage is not shooting people down, but preventing them from shooting.
  They have blocked her driveway, preventing her family from returning home.
  There's nothing in anything that was done last night that prevents us from filibustering somebody that's extreme.
  Scenario 3: A flight or other travel delay prevents you from arriving at the dock before the ship sails.
  But on the margin, it prevents a lot of people from taking steps that might lead to bankruptcy and deprivation.
  Fortunately his girth prevents him from even thinking about scaling the bookcase, so the back of the futon is about as much of a Matterhorn as he can manage.
  In a desperate attempt to restrain him she then sat on him to try to prevent him from moving.
  Ricin works by getting inside a person's cells and preventing them from making necessary proteins.
  Taylor's slip prevented him from intercepting Robert's cross and a scrum of bodies stopped the ball crossing the line.
  However, none of that prevents me from honoring the courage and sacrifice of my Confederate ancestors.
  He said his client did not understand that the order preventing him from buying alcohol stopped him from entering pubs, and he had only wanted a soft drink.
  This widespread belief prevents us from being on guard as ads besiege us.
  PIN-protect your mobile phone to prevent anyone checking your text messages or address book.
  And yet the checks designed to prevent such people being employed in schools raised no alarms.
  In his introduction, Hughes says that this nightmare was necessary for him to overcome the block that had prevented him from writing the book.
  It prevents people from stopping and loitering there for all hours of the night and deciding what mischief they're going to get up to.
  Can revulsion be classified as an adaptive mechanism that prevents us from coming into contact with contaminants?
  I could have stopped the invasion where it was… but something prevented me.
  Develop your plan - then make a back up plan in case the crisis prevents you from using your preferred location and team.
  He was then arrested and grabbed by the throat to prevent him swallowing anything.
  Once home, Charlie's connection to family prevents him from collapsing in racial self-hatred when he is unable to find work.
  It is in my judgment equally likely that he has some mental or psychological block that simply prevents him from considering any other point of view.
  This would also save NHS resources by preventing patients from being unnecessarily added to waiting lists.
  Decorum prevents me from providing you with specific examples.
  Synonyms
  stop, put a stop to, avert, nip in the bud, fend off, turn aside, stave off, ward off, head off, shut out, block, intercept, halt, arrest, check, stay
2archaic (of God) go before (someone) with spiritual guidance and help.
〈古〉（上帝）引领
Example sentencesExamples
- The abiding Spirit prevents a humanistic, rationalistic understanding of truth.

Origin

Late Middle English (in the sense ‘act in anticipation of’): from Latin praevent- ‘preceded, hindered’, from the verb praevenire, from prae ‘before’ + venire ‘come’.

单词	prevent
释义	Definition of prevent in English: prevent verb prɪˈvɛntprəˈvɛnt [with object] 1Keep (something) from happening. 妨碍，制止 action must be taken to prevent further accidents 应当采取行动阻止事故进一步发生。 Example sentencesExamples Unable to prevent the sliding, the authorities had no choice but to abandon the project. New security guidelines and technology are being put in place to prevent a similar problem happening again. When my wife and I were mugged someone got a police officer in no time but we should be trying to prevent the attacks happening. But her experiences made her determined to prevent the same thing happening to others. Ultimately, it was unable to prevent the Soviet invasion of the Baltic states in 1940. Too often one finds that two or three players make the same runs into space when a little bit of thought would have prevented it happening. It may involve going to Pearson Airport to try to prevent a deportation from happening. To compound matters he was unable to prevent the club from being relegated last season. Each is a tragedy, and it is right to seek solutions to why it happened, and to try to prevent them happening again. They could plan how it must happen; they turned the ship of state around and prevented it from being wrecked on the rocks of revenge. Perhaps if she and her parents could have had the help and support needed it might have gone a long way in preventing this tragedy from happening. As with most management problems, the key to preventing a crisis from happening is early recognition. The prime focus for us is to prevent them happening in the first place. And he made an impassioned plea for changes to be made to prevent a similar tragedy happening again. Anything that can prevent a tragedy from happening should be carefully adhered to. We rang all our news outlets to explain the difficulties to them and are doing all we can to prevent the same thing happening again. Surprise checks by the police, during day and night, can go a long way in checking the menace, thus preventing fatal road accidents. The union was unable to prevent the strike, but it is instructive to look at how it was conducted. We talk about it now, we know it's there, we have a small army of social workers dedicated to identifying it and preventing it from happening again. I think that avoidable deaths like these could be prevented if people could stop smoking publicly. Synonyms stop, put a stop to, avert, nip in the bud, fend off, turn aside, stave off, ward off, head off, shut out, block, intercept, halt, arrest, check, stay 1.1 Stop (someone) from doing something. locks won't prevent a determined burglar from getting in the guards threatened to bar the gates to prevent him leaving Example sentencesExamples Taylor's slip prevented him from intercepting Robert's cross and a scrum of bodies stopped the ball crossing the line. They have blocked her driveway, preventing her family from returning home. But on the margin, it prevents a lot of people from taking steps that might lead to bankruptcy and deprivation. The purple dye stays on the finger for about a week to prevent anyone trying to vote a second time. In a desperate attempt to restrain him she then sat on him to try to prevent him from moving. Decorum prevents me from providing you with specific examples. Scenario 3: A flight or other travel delay prevents you from arriving at the dock before the ship sails. And yet the checks designed to prevent such people being employed in schools raised no alarms. In his introduction, Hughes says that this nightmare was necessary for him to overcome the block that had prevented him from writing the book. Fortunately his girth prevents him from even thinking about scaling the bookcase, so the back of the futon is about as much of a Matterhorn as he can manage. It was made without notice and so excluded the defendant from the process and prevented him from challenging it, he said. Drooping fatty tissue from her stomach area extends from her body and prevents her from walking, she and Turner say. Worsening eyesight prevents her from seeing the screen easily and lately she has been reading with the aid of a magnifying glass. Too often I find that when it comes to matters of faith my reason overwhelms my emotions and prevents me from responding with true charity. As if on cue, a tire started going flat Saturday, but a timely pit stop prevented him from losing much position. This widespread belief prevents us from being on guard as ads besiege us. Several neighbours rushed to help the Brownes but they were unable to prevent the men escaping. I'll confess my own agoraphobia, which prevents me from enjoying opening nights of popular movies. He was then arrested and grabbed by the throat to prevent him swallowing anything. Frustration is a blockage, you are prevented from fulfilling your desires. The police are there to pick up the pieces, to find the perpetrator and see that justice prevents him from doing it again. Parents should also ensure their fences and gates are secure to prevent children from getting out. He said his client did not understand that the order preventing him from buying alcohol stopped him from entering pubs, and he had only wanted a soft drink. Real courage is not shooting people down, but preventing them from shooting. It prevents people from stopping and loitering there for all hours of the night and deciding what mischief they're going to get up to. When it did eventually get underway there were several red flag incidents, stopping the session and preventing anyone really getting into their rhythm. Well ok, it was only a dream, but the point is it stopped me getting a good night's sleep, which prevented me from writing to my full capacity today. This would also save NHS resources by preventing patients from being unnecessarily added to waiting lists. Develop your plan - then make a back up plan in case the crisis prevents you from using your preferred location and team. This prevents him from being able to negotiate with other European leaders from anything resembling a position of strength. Once home, Charlie's connection to family prevents him from collapsing in racial self-hatred when he is unable to find work. There's nothing in anything that was done last night that prevents us from filibustering somebody that's extreme. Can revulsion be classified as an adaptive mechanism that prevents us from coming into contact with contaminants? However, none of that prevents me from honoring the courage and sacrifice of my Confederate ancestors. It is in my judgment equally likely that he has some mental or psychological block that simply prevents him from considering any other point of view. PIN-protect your mobile phone to prevent anyone checking your text messages or address book. It should be noted that her inability to perceive reality prevents her from understanding that she is the cause of her problems. Ricin works by getting inside a person's cells and preventing them from making necessary proteins. Checks were made in the roof space but fire spread prevented us from entering the attic. I could have stopped the invasion where it was… but something prevented me. Synonyms stop, put a stop to, avert, nip in the bud, fend off, turn aside, stave off, ward off, head off, shut out, block, intercept, halt, arrest, check, stay 2archaic (of God) go before (someone) with spiritual guidance and help. 〈古〉（上帝）引领 Example sentencesExamples The abiding Spirit prevents a humanistic, rationalistic understanding of truth. Origin Late Middle English (in the sense 'act in anticipation of'): from Latin praevent- 'preceded, hindered', from the verb praevenire, from prae 'before' + venire 'come'. People originally used prevent to mean ‘to act in anticipation of or in preparation for something’, as in the 17th-century poet George Herbert's lines ‘Thus we prevent the last great day, / And judge our selves.’ Similarly, you could once talk about preventing someone's wishes or desires, for anticipating them. The word comes from Latin praevenire ‘to precede or hinder’. In time to prevent something was to thwart someone's plans, from which developed the idea of stopping something from happening. Prevention is better than cure dates from the 17th century. An early example comes from 1618: ‘Prevention is so much better than healing, because it saves the labour of being sick.’ Definition of prevent in US English: prevent verbprəˈvɛntprəˈvent [with object] 1Keep (something) from happening or arising. 妨碍，制止 action must be taken to prevent further accidents 应当采取行动阻止事故进一步发生。 Example sentencesExamples To compound matters he was unable to prevent the club from being relegated last season. Perhaps if she and her parents could have had the help and support needed it might have gone a long way in preventing this tragedy from happening. I think that avoidable deaths like these could be prevented if people could stop smoking publicly. New security guidelines and technology are being put in place to prevent a similar problem happening again. Ultimately, it was unable to prevent the Soviet invasion of the Baltic states in 1940. Too often one finds that two or three players make the same runs into space when a little bit of thought would have prevented it happening. Surprise checks by the police, during day and night, can go a long way in checking the menace, thus preventing fatal road accidents. And he made an impassioned plea for changes to be made to prevent a similar tragedy happening again. But her experiences made her determined to prevent the same thing happening to others. The prime focus for us is to prevent them happening in the first place. Anything that can prevent a tragedy from happening should be carefully adhered to. Each is a tragedy, and it is right to seek solutions to why it happened, and to try to prevent them happening again. We talk about it now, we know it's there, we have a small army of social workers dedicated to identifying it and preventing it from happening again. Unable to prevent the sliding, the authorities had no choice but to abandon the project. We rang all our news outlets to explain the difficulties to them and are doing all we can to prevent the same thing happening again. The union was unable to prevent the strike, but it is instructive to look at how it was conducted. They could plan how it must happen; they turned the ship of state around and prevented it from being wrecked on the rocks of revenge. It may involve going to Pearson Airport to try to prevent a deportation from happening. As with most management problems, the key to preventing a crisis from happening is early recognition. When my wife and I were mugged someone got a police officer in no time but we should be trying to prevent the attacks happening. Synonyms stop, put a stop to, avert, nip in the bud, fend off, turn aside, stave off, ward off, head off, shut out, block, intercept, halt, arrest, check, stay 1.1 Make (someone or something) unable to do something. 阻止，阻挡 window locks won't prevent a determined burglar from getting in Example sentencesExamples This prevents him from being able to negotiate with other European leaders from anything resembling a position of strength. Drooping fatty tissue from her stomach area extends from her body and prevents her from walking, she and Turner say. It should be noted that her inability to perceive reality prevents her from understanding that she is the cause of her problems. Worsening eyesight prevents her from seeing the screen easily and lately she has been reading with the aid of a magnifying glass. Well ok, it was only a dream, but the point is it stopped me getting a good night's sleep, which prevented me from writing to my full capacity today. Parents should also ensure their fences and gates are secure to prevent children from getting out. Frustration is a blockage, you are prevented from fulfilling your desires. It was made without notice and so excluded the defendant from the process and prevented him from challenging it, he said. The purple dye stays on the finger for about a week to prevent anyone trying to vote a second time. When it did eventually get underway there were several red flag incidents, stopping the session and preventing anyone really getting into their rhythm. Several neighbours rushed to help the Brownes but they were unable to prevent the men escaping. I'll confess my own agoraphobia, which prevents me from enjoying opening nights of popular movies. Checks were made in the roof space but fire spread prevented us from entering the attic. The police are there to pick up the pieces, to find the perpetrator and see that justice prevents him from doing it again. Too often I find that when it comes to matters of faith my reason overwhelms my emotions and prevents me from responding with true charity. As if on cue, a tire started going flat Saturday, but a timely pit stop prevented him from losing much position. Real courage is not shooting people down, but preventing them from shooting. They have blocked her driveway, preventing her family from returning home. There's nothing in anything that was done last night that prevents us from filibustering somebody that's extreme. Scenario 3: A flight or other travel delay prevents you from arriving at the dock before the ship sails. But on the margin, it prevents a lot of people from taking steps that might lead to bankruptcy and deprivation. Fortunately his girth prevents him from even thinking about scaling the bookcase, so the back of the futon is about as much of a Matterhorn as he can manage. In a desperate attempt to restrain him she then sat on him to try to prevent him from moving. Ricin works by getting inside a person's cells and preventing them from making necessary proteins. Taylor's slip prevented him from intercepting Robert's cross and a scrum of bodies stopped the ball crossing the line. However, none of that prevents me from honoring the courage and sacrifice of my Confederate ancestors. He said his client did not understand that the order preventing him from buying alcohol stopped him from entering pubs, and he had only wanted a soft drink. This widespread belief prevents us from being on guard as ads besiege us. PIN-protect your mobile phone to prevent anyone checking your text messages or address book. And yet the checks designed to prevent such people being employed in schools raised no alarms. In his introduction, Hughes says that this nightmare was necessary for him to overcome the block that had prevented him from writing the book. It prevents people from stopping and loitering there for all hours of the night and deciding what mischief they're going to get up to. Can revulsion be classified as an adaptive mechanism that prevents us from coming into contact with contaminants? I could have stopped the invasion where it was… but something prevented me. Develop your plan - then make a back up plan in case the crisis prevents you from using your preferred location and team. He was then arrested and grabbed by the throat to prevent him swallowing anything. Once home, Charlie's connection to family prevents him from collapsing in racial self-hatred when he is unable to find work. It is in my judgment equally likely that he has some mental or psychological block that simply prevents him from considering any other point of view. This would also save NHS resources by preventing patients from being unnecessarily added to waiting lists. Decorum prevents me from providing you with specific examples. Synonyms stop, put a stop to, avert, nip in the bud, fend off, turn aside, stave off, ward off, head off, shut out, block, intercept, halt, arrest, check, stay 2archaic (of God) go before (someone) with spiritual guidance and help. 〈古〉（上帝）引领 Example sentencesExamples The abiding Spirit prevents a humanistic, rationalistic understanding of truth. Origin Late Middle English (in the sense ‘act in anticipation of’): from Latin praevent- ‘preceded, hindered’, from the verb praevenire, from prae ‘before’ + venire ‘come’.
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