irascibility irascent • irascible · · · Info · Definitions · Synonyms · Characters · · irascibility · · Text Latin · · Script 12 · · Length Definitions · · · (noun) a feeling of resentful anger. Synonyms: short temper, spleen, quick temper. · · Noun Definition 1 Synonyms · · · short temper · · Synonym 1 spleen · · Synonym 2 quick temper · · Synonym 3 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 i latin small letter i U+0069 l latin small letter l U+006C r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 y latin small letter y U+0079