semantic role semantic relation • semantics · · · Info · Definitions · Synonyms · Characters · · semantic role · · Text Common · · Latin · · Scripts 13 · · Length 5 · · Syllables Definitions · · · (noun) (linguistics) the underlying relation that a constituent has with the main verb in a clause. Synonyms: semantic role, participant role. · · Noun Definition 1 Synonyms · · · participant role · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074