synesthesia synesis • synesthetic · · · Info · Definitions · Synonyms · Characters · · synesthesia · · Text Latin · · Script 11 · · Length 5 · · Syllables Definitions · · · (noun) a sensation that normally occurs in one sense modality occurs when another modality is stimulated. Synonyms: synaesthesia. · · Noun Definition 1 Synonyms · · · synaesthesia · · Synonym 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074 y latin small letter y U+0079