acrid

1 having or showing deep-seated resentment there have been acrid relations between the two families ever since they fought over that strip of land Synonyms bitter, acrimonious, embittered, hard, rancorous, resentful, soreRelated Words disaffected, discontented, disgruntled, malcontent; contemptuous, cynical, disdainful, misanthropic, scornful; angry, cruel, harsh, irritated, mad, rough, savage, vehement, vicious, virulent, vitriolic; acid, caustic, cutting, mordant, sarcastic, trenchant; knock-down, drag-out (or knock-down-and-drag-out)Near Antonyms caring, forgiving, gentle, kind, kindhearted, loving, sweet, sympathetic, tender, warm, warmheartedAntonyms unbitter

2 marked by the use of wit that is intended to cause hurt feelings Phillipa's acrid comments about the new employee's clothes were met by laughter from everyone at the lunch table Synonyms acerb, acerbic, acid, acidic, acidulous, sarcastic, barbed, biting, caustic, corrosive, cutting, mordant, pungent, sardonic, satiric (or satirical), scalding, scathing, sharp, smart-aleck, smart-alecky, smart-mouthed, snarky, tartRelated Words brisk, cross, sharp-tongued, sour, sourish, spiky (also spikey), tartish; incisive, keen, poignant, trenchant; cynical, dry, ironic (also ironical), wry; facetious, flippant, tongue-in-cheek; acrimonious, bitter, resentful, vitriolic; harsh, rough, severe, stringent; abrupt, blunt, brusque (also brusk), concise, crisp, curt, gruff, pithy, snippety, snippy, succinct, terse; backhanded, insincereNear Antonyms amusing, droll, merry, playful, sportive, waggish; gentle, mild; bland; good-humored, good-natured; diplomatic, polite, smooth, suave, urbane; affable, cordial, genial, gracious, hospitable, sociable