indispensable
/ˌɪndɪsˈpensəbl/adjective
- absolutely necessary不可或缺的, 必需的：
he made himself indispensable to the parish priest.
他成了对教区牧师来说不可或缺的人物。
派生词
indispensability
nounindispensableness
nounindispensably
adverb词源
mid 16th cent. （in the sense 'not to be allowed or provided for by ecclesiastical dispensation'）: from medieval Latin indispensabilis, from in- 'not' + dispensabilis （see DISPENSABLE）.