Of or relating to or characteristic of Ireland or its people.
1. People of Ireland or of Irish extraction; Also called: Irish people, the Irish.
2. The Celtic language of Ireland; Also called: Irish Gaelic.
3. Whiskey made in Ireland chiefly from barley; Also called: Irish whiskey, Irish whisky.
Person of Irish culture from Ireland or person of Irish descent. The Irish mainly speak English, though there are approximately 30,000–100,000 speakers of Irish Gaelic (see Gaelic language), a Celtic language belonging to the Indo-European family.
Celtic tribes, the ancestors of the Irish, migrated to Ireland about 300 BC. Later known as Gaels (Irishmen), they settled on the Isle of Man and SW Scotland, and established colonies in W Wales, Devon, and Cornwall.