rancorous

having or showing deep-seated resentment a rancorous autobiography in which the author heaps blame on just about everyone who had the misfortune of knowing him Synonyms acrid, acrimonious, embittered, hard, bitter, 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