ipse dixit ipseand • ipsedixitish · · · Info · Definitions · Synonyms · Characters · · ipse dixit · · Text Common · · Latin · · Scripts 10 · · Length 3 · · Syllables Definitions · · · (noun) an unsupported dogmatic assertion. Synonyms: ipse dixit, ipsedixitism. · · Noun Definition 1 Synonyms · · · ipsedixitism · · Synonym 1 Characters · · space U+0020 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074 x latin small letter x U+0078