rancor rancidness • rancorous · · · Info · Definitions · Synonyms · Characters · · rancor · · Text Latin · · Script 6 · · Length Definitions · · · (noun) a feeling of deep and bitter anger and ill-will. Synonyms: resentment, bitterness, gall, rancour. · · Noun Definition 1 Synonyms · · · resentment · · Synonym 1 bitterness · · Synonym 2 gall · · Synonym 3 rancour · · Synonym 4 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072