fumbler fumble • fumbling · · · Info · Definitions · Synonyms · Characters · · fumbler · · Text Latin · · Script 7 · · Length Definitions · · · (noun) someone who makes mistakes because of incompetence. Synonyms: bungler, blunderer, bumbler, stumbler, sad sack, botcher, butcher, fuckup. · · Noun Definition 1 Synonyms · · · bungler · · Synonym 1 blunderer · · Synonym 2 bumbler · · Synonym 3 stumbler · · Synonym 4 sad sack · · Synonym 5 botcher · · Synonym 6 butcher · · Synonym 7 fuckup · · Synonym 8 Characters · · b latin small letter b U+0062 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 r latin small letter r U+0072 u latin small letter u U+0075