Gaudian adjective2 •Of or relating to Antoni Gaudí (1852–1926), Spanish architect. •(no longer used) New Indo-Aryan.I shall, therefore, when referring to these language, generally use the word Gauḍian, reserving at the same time the right to call them also Neo-Indo-Aryan when I wish to be scientifically accurate. — 1883 formsmore Gaudian · most Gaudian