Irish /ˈaɪɹɪʃ/adjective 2noun 5forms 3phrases 3 adjective2 •from Ireland, or connected with the people who live thereSheep are typical in the Irish landscape. •Pertaining to the Irish language. noun5 •The Irish people.Many Irish are actually dark-haired as a result of the many invaders and migrants over the centuries. •The Gaelic language indigenous to Ireland, also known as Irish Gaelic.Irish is the first official and national language of Ireland. •Whiskey, or whisky, elaborated in Ireland. •(US) Temper; anger, passion.But her Irish was up too high to do any thing with her, and so I quit trying. — 1834 •(no longer used) A board game of the tables family. formsIrishes · more Irish · most Irish Phrases with Irish Irish hintA very clear and unsubtle indication. Irish upTo add alcohol to a drink that doesn't normally have it. weep IrishTo cry insincerely or in an exaggerated manner.