The definition of impair is to hinder or weaken something.
(verb)When drinking alcohol causes your reflexes to become slower, this is an example of how drinking impairs your reflexes.
See impair in Webster's New World College Dictionary
transitive verb
Origin: ME empeiren < OFr empeirer < VL *impejorare < L in-, intens. + LL pejorare, to make worse: see pejorative
Related Forms:
See impair in American Heritage Dictionary 4
transitive verb im·paired, im·pair·ing, im·pairs
Origin:
Origin: Middle English empairen
Origin: , from Old French empeirer
Origin: , from Vulgar Latin *impēiōrāre
Origin: : Latin in-, causative pref.; see in-2
Origin: + Late Latin pēiōrāre, to worsen (from Latin pēior, worse; see ped- in Indo-European roots)
.Related Forms:
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