tomfoolery tomfool • tomfoolish · · · Info · Definitions · Synonyms · Characters · · tomfoolery · · Text Latin · · Script 10 · · Length Definitions · · · (noun) foolish or senseless behavior. Synonyms: folly, foolery, craziness, lunacy, indulgence. · · Noun Definition 1 Synonyms · · · folly · · Synonym 1 foolery · · Synonym 2 craziness · · Synonym 3 lunacy · · Synonym 4 indulgence · · Synonym 5 Characters · · e latin small letter e U+0065 f latin small letter f U+0066 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 y latin small letter y U+0079