IMPAIR


Meaning of IMPAIR in English

v. 25B6; verb HAVE A NEGATIVE EFFECT ON, damage, harm, diminish, reduce, weaken, lessen, decrease, impede, hinder; undermine, compromise; formal vitiate.

improve, enhance.

Concise Oxford thesaurus English vocabulary.      Краткий оксфордский словарь английского языка тезаурус.