monkey business monkey bridge • monkey dog · · · Info · Definitions · Characters · · monkey business · · Text Common · · Latin · · Scripts 15 · · Length 6 · · Syllables Definitions · · · (noun) mischievous or deceitful behavior. Synonyms: monkey business. · · Noun Definition 1 Characters · · space U+0020 b latin small letter b U+0062 e latin small letter e U+0065 i latin small letter i U+0069 k latin small letter k U+006B m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 u latin small letter u U+0075 y latin small letter y U+0079