impure

1 containing foreign or lower-grade substances be careful, because impure motor oil can damage your car's engine Synonyms adulterate, adulterated, alloyed, contaminated, dilute, diluted, polluted, tainted, thinned, weakened Related Words unclarified, unfiltered, unrefined; befouled, begrimed, bemired, besmirched, corrupted, debased, defiled, dirtied, fouled, maculate (or maculated), soiled, spoiled, sullied; blended, commingled, incorporated, intermingled, intermixed, merged, mingled, mixed; coalesced, combined, compounded; cheapened, doctored Near Antonyms clarified, filtered, purified, refined, ultrarefined; neat, plain, straight; concentrated, strong; uncombined; pasteurized; sterile, sterilized; clean, immaculate, spotless, stainless, unsoiled, unsullied Antonyms fine, pure, ultrapure, unadulterated, unalloyed, uncontaminated, uncut, undiluted, unmixed, unpolluted, untainted

2 depicting or referring to sexual matters in a way that is unacceptable in polite society Victorian notions of what qualified as impure art now strike us as laughable Synonyms bawdy, blue, coarse, crude, dirty, filthy, foul, gross, gutter, obscene, indecent, lascivious, lewd, locker-room, nasty, pornographic, porny, profane, raunchy, ribald, smutty, stag, trashy, unprintable, vulgar, wanton, X-ratedRelated Words broad, coarse-grained, gamy (or gamey), off, off-color (or off-colored), racy, risqué, salacious, salty, suggestive; barnyard, earthy, scatological; immodest, indecorous, indelicate, low, unbecoming; depraved, kinky, louche, naughty, perverse, perverted, wicked; exceptionable, objectionable, unacceptable, undesirable, unwanted, unwelcome; abhorrent, debasing, disgusting, loathsome, offensive, repellent (also repellant), repugnant, repulsive, revolting; distasteful, obnoxious, unpleasant; blamable, blameworthy, censurable, reprehensible; atrocious, infamous; abusive, scurrilous; hard-core, soft, soft-coreNear Antonyms priggish, prim, prudish, puritanical, staid, straitlaced (or straightlaced), Victorian; correct, decorous, genteel, nice, polite, proper, respectable, seemly; innocuous, inoffensive; acceptable, agreeable, desirable, pleasant, pleasing, welcome; appropriate, becoming, fit, meet, suitable; immaculate, perfect, pure, spotless, virginal; approved, endorsed (also indorsed), sanctionedAntonyms clean, decent, G-rated, nonobscene, wholesome