effusiveness effusively • Efik · · · Info · Definitions · Synonyms · Characters · · effusiveness · · Text Latin · · Script 12 · · Length Definitions · · · (noun) a friendly open trait of a talkative person. Synonyms: expansiveness, expansivity. · · Noun Definition 1 Synonyms · · · expansiveness · · Synonym 1 expansivity · · Synonym 2 Characters · · e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 n latin small letter n U+006E s latin small letter s U+0073 u latin small letter u U+0075 v latin small letter v U+0076