gleefulness gleefully • gleeishly · · · Info · Definitions · Synonyms · Characters · · gleefulness · · Text Latin · · Script 11 · · Length Definitions · · · (noun) great merriment. Synonyms: hilarity, mirth, mirthfulness, glee. · · Noun Definition 1 Synonyms · · · hilarity · · Synonym 1 mirth · · Synonym 2 mirthfulness · · Synonym 3 glee · · Synonym 4 Characters · · e latin small letter e U+0065 f latin small letter f U+0066 g latin small letter g U+0067 l latin small letter l U+006C n latin small letter n U+006E s latin small letter s U+0073 u latin small letter u U+0075