V2 Vocabulary Building Dictionary
Definition: to worsen something or to make it less effective
Synonyms: weaken, damage, injure, deteriorate, reduce, lessen, diminish
Tips: The adjective form of impair is impaired, and it may refer to a permanent or temporary loss of quality or strength.
Everyone knows that too much alcohol can impair a person's driving ability. (worsen, diminish)
My uncle is hearing-impaired, but he is excellent at reading lips. (diminished, lessened) adjective
Without glasses, his vision is seriously impaired. (weakened, diminished) adjective
A strained wrist will dramatically impair your ability to play tennis. (weaken, reduce)
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