acrimonious

I adjective acerb, acerbic, acrid, astringent, biting, bitter, blistering, captious, caustic, censorious, choleric, corrosive, cross-tempered, cruel, cutting, cynical, embittered, envenomed, gruff, harsh, hostile, huffy, ill-natured, inimical, irascible, irritable, malevolent, malicious, malignant, negative, peevish, pejorative, petulant, rancorous, resentful, rough, rude, sarcastic, scathing, severe, sharp, snappish, snarling, sour, spiteful, stinging, tart, testy, touchy, vicious, virulent, vitriolic, waspish II index astringent, bitter (penetrating), bitter (reproachful), caustic, cruel, cynical, harsh, hostile, libelous, malevolent, malicious, mordacious, negative, outrageous, pejorative, petulant, resentful, scathing, severe, spiteful, trenchant, vicious, virulent