Italish /ɪˈtælɪʃ/ adjective2 •Made in the Italian manner, or appearing Italian. •(no longer used) Pertaining to Italy, its people, or language; Italian.first Patron S. Frances, as we find in the history of his idolatrous feast, and also in the book of conformities of Frances to Christ, written by an Italish friar called Bartholomew Pisanus. — 1849 formsmore Italish · most Italish