- empair (obsolete, rare)
From Middle English impairen, empeiren, from Old French empeirier, variant of empirier (“to worsen”), from Vulgar Latin *impēiōrō, from im- + Late Latin pēiōrō (“to make worse”), from peior (“worse”), comparative of malus (“bad”).
- (transitive) To weaken; to affect negatively; to have a diminishing effect on.
- 2020 January 22, Stuart Jeffries, “Terry Jones obituary”, in The Guardian:
- In 2016, it was announced that Jones had been diagnosed with primary progressive aphasia, a form of dementia that impairs the ability to communicate.
- (intransitive, archaic) To grow worse; to deteriorate.
- (Can we find and add a quotation of Milton to this entry?)
have a diminishing effect on
- (obsolete) Not fit or appropriate; unsuitable.
- (Can we find and add a quotation of Shakespeare to this entry?)
- impair in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
- impair in The Century Dictionary, The Century Co., New York, 1911
- impair at OneLook Dictionary Search
- “impair” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).