fast buck fast-breaking • fast-cleaving · · · Info · Definitions · Synonyms · Characters · · fast buck · · Text Common · · Latin · · Scripts 9 · · Length 2 · · Syllables Definitions · · · (noun) quick or easy earnings, "they are traders out to make a fast buck". Synonyms: fast buck, quick buck. · · Noun Definition 1 Synonyms · · · quick buck · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 f latin small letter f U+0066 k latin small letter k U+006B s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075