Main Entry: im·pure

Pronunciation: \(ˌ)im-ˈpyu̇r\

Function: adjective

Etymology: Middle English, from Middle French & Latin; Middle French, from Latin impurus, from in- + purus pure

Date: 15th century

: not pure: as a : lewd, unchaste b : containing something unclean : foul <impure water> c : ritually unclean d : mixed or impregnated with an extraneous and usually unwanted substance <an impure chemical>

— im·pure·ly adverb

— im·pure·ness noun