verb (used with object)
to make or cause to become worse; diminish in ability, value, excellence, etc.; weaken or damage:
to impair one’s health; to impair negotiations.
verb (used without object)
to grow or become worse; lessen.
(transitive) to reduce or weaken in strength, quality, etc: his hearing was impaired by an accident
late 14c., earlier ampayre, apeyre (c.1300), from Old French empeirier (Modern French empirer), from Vulgar Latin *impeiorare “make worse,” from assimilated form of in- “into, in” (see in- (2)) + Late Latin peiorare “make worse” (see pejorative). In reference to driving under the influence of alcohol, first recorded 1951 in Canadian English. Related: Impaired; impairing.
[im-per-uh-tiv] /ɪmˈpɛr ə tɪv/ adjective 1. absolutely necessary or required; unavoidable: It is imperative that we leave. 2. of the nature of or expressing a command; commanding. 3. Grammar. noting or pertaining to the mood of the verb used in commands, requests, etc., as in Listen! Go! Compare (def 2), (def 1). noun 4. a […]
[noun im-pluh-muh nt; verb im-pluh-ment, -muh nt] /noun ˈɪm plə mənt; verb ˈɪm pləˌmɛnt, -mənt/ noun 1. any article used in some activity, especially an instrument, tool, or utensil: agricultural implements. 2. an article of equipment, as household furniture, clothing, ecclesiastical vestments, or the like. 3. a means; agent: human beings as an implement of […]
[non-im-pawr-tey-shuh n, -pohr-] /ˌnɒn ɪm pɔrˈteɪ ʃən, -poʊr-/ noun 1. failure or refusal to import.
[im-proov-muh nt] /ɪmˈpruv mənt/ noun 1. an act of or the state of being . 2. a change or addition by which a thing is . 3. a person or thing that represents an advance on another in excellence or achievement: The new landlord is a great improvement over his greedy predecessor. 4. a bringing […]