synonymity synonymist • synonymize · · · Info · Definitions · Synonyms · Characters · · synonymity · · Text Latin · · Script 10 · · Length Definitions · · · (noun) the semantic relation that holds between two words that can (in a given context) express the same meaning. Synonyms: synonymy, synonymousness. · · Noun Definition 1 Synonyms · · · synonymy · · Synonym 1 synonymousness · · Synonym 2 Characters · · i latin small letter i U+0069 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 t latin small letter t U+0074 y latin small letter y U+0079