insouciance insorbent • insouciant · · · Info · Definitions · Synonyms · Characters · · insouciance · · Text Latin · · Script 11 · · Length Definitions · · · (noun) the cheerful feeling you have when nothing is troubling you. Synonyms: carefreeness, lightheartedness, lightsomeness. · · Noun Definition 1 Synonyms · · · carefreeness · · Synonym 1 lightheartedness · · Synonym 2 lightsomeness · · Synonym 3 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 u latin small letter u U+0075