| 单词 | impair |
| 释义 | impair —impairable, adj. —impairer, n. —impairment, n. /im pair"/, v.t. 1. to make or cause to become worse; diminish in ability, value, excellence, etc.; weaken or damage: to impair one's health; to impair negotiations. v.i. 2. to grow or become worse; lessen. n. 3. Archaic. impairment. [1250-1300; ME empairen, empeiren to make worse < MF empeirer, equiv. to em- IM-1 + peirer to make worse < LL pejorare, equiv. to L pejor-, s. of pejor worse + -a- thematic vowel + -re inf. suffix; cf. PEJORATIVE] Syn. 1. See injure. Ant. 1. repair. /aonn perdd"/, adj. French. noting any odd number, esp. in roulette. Cf. pair. |
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