ipsedixitism ipsedixitish • ipsedixitist · · · Info · Definitions · Synonyms · Characters · · ipsedixitism · · Text Latin · · Script 12 · · Length Definitions · · · (noun) an unsupported dogmatic assertion. Synonyms: ipse dixit. · · Noun Definition 1 Synonyms · · · ipse dixit · · Synonym 1 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D 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