Definition of impair
Etymology
From Old French empeirier, from Vulgar Latin *impeiorare, from in- + Late Latin peiorare (“to make worse”) < peior (“worse”), a comparative of malus (“bad”).
Verb
impair (third-person singular simple present impairs, present participle impairing, simple past and past participle impaired)
- to weaken; to affect negatively; to have a diminishing effect on.
References:
- Wiktionary. Published under the Creative Commons Attribution/Share-Alike License.
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