frivolousness frivolously • frixion · · · Info · Definitions · Synonyms · Characters · · frivolousness · · Text Latin · · Script 13 · · Length Definitions · · · (noun) the trait of being frivolous; not serious or sensible. Synonyms: frivolity. · · Noun Definition 1 Synonyms · · · frivolity · · Synonym 1 Characters · · e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075 v latin small letter v U+0076