Bedeutung von “impair” — Learner’s Dictionary

impair

verb [ T ] us uk /ɪmˈpeər/ formal

to harm something and make it less good:

[ often passive ] When you're tired your judgment / is impaired.
impairment noun [ C, U ]

the state of being impaired:

mental/physical impairment

(Definition von “impair” aus dem Cambridge Learner's Dictionary © Cambridge University Press)