colloquialism colloquial • colloquialist · · · Info · Definitions · Characters · · colloquialism · · Text Latin · · Script 13 · · Length Definitions · · · (noun) a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F q latin small letter q U+0071 s latin small letter s U+0073 u latin small letter u U+0075