impair
//ɪmˈpeər//
Verb
impairInfinitive
impairPresent tense
impairedPast tense
impairedPast participle
impairingPresent participle
impairsThird-person singular
1
To weaken or damage something, especially a faculty or function, making it less effective or efficient.
Lack of sleep can impair your ability to concentrate.
2
To diminish the quality, value, or strength of something.
Lack of sleep can impair your ability to concentrate.