decadence decade • decadency · · · Info · Definitions · Synonyms · Characters · · decadence · · Text Latin · · Script 9 · · Length Definitions · · · (noun) the state of being degenerate in mental or moral qualities. Synonyms: degeneracy, degeneration, decadency. · · Noun Definition 1 Synonyms · · · degeneracy · · Synonym 1 degeneration · · Synonym 2 decadency · · Synonym 3 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 n latin small letter n U+006E