/im paird"/ , adj.
1. weakened, diminished, or damaged: impaired hearing; to rebuild an impaired bridge.
2. functioning poorly or inadequately: Consumption of alcohol results in an impaired driver.
3. Facetious. deficient or incompetent (prec. by a noun or adverb): VCR-impaired; morally impaired.
[ IMPAIR + -ED 2 ]