Link to this page verb-transitive: To cause to decrease, like in power, price, or high quality: an injury that impaired my hearing; a severe violent storm impairing communications. to help make even worse; to diminish in amount, worth, superiority, or power; to deteriorate. To grow worse; to decline. View More verb: to damage; to impact adversely; having a diminishing impact on. make even worse or less efficient make imperfect View More noun: Diminution; decrease; reduction; damage; disgrace. An impaired or strange thing; articles without a mate. In roulette, an odd number. View More others: to produce even worse; diminish in amount, worth, superiority, strength, or any other desirable high quality; deteriorate; weaken; enfeeble: since, to impair medical or personality; to impair a person's fortune. Synonyms to minimize, decrease, reduce, injure. to be worse; be lessened or enfeebled; deteriorate. Unequal; unworthy; unjust. not just one of moobs; odd; unequaled. View More Related Sources Definition for "impair" To cause to decrease, like in power, price,… View More Sentence for "impair" Limits on expression impair the Chinese… View More Quotes for "impair" "Avoid lawsuits beyond all things they…" View More Synonym for "impair" Antonym for "impair" Verb Forms for "impair" Phrases for "impair" Rhyme for "impair" Hypernym for "impair" Cross Reference for "impair" Form for "impair" Same Context for "impair"