flashflood flashet • flash flood · · · Info · Definitions · Synonyms · Characters · · flashflood · · Text Latin · · Script 10 · · Length 2 · · Syllables Definitions · · · (noun) a sudden local flood of great volume and short duration. Synonyms: flash flood. · · Noun Definition 1 Synonyms · · · flash flood · · Synonym 1 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 f latin small letter f U+0066 h latin small letter h U+0068 l latin small letter l U+006C o latin small letter o U+006F s latin small letter s U+0073