- Proper noun. The Goidelic language indigenous to Ireland, also known as Irish Gaelic.
- Noun. (rfd-sense) (context, as plural) The Irish people.
- Noun. (obsolete) A board game of the tables family.
- Noun. (US) Temper; anger, passion.
- Noun. whiskey, or whisky, elaborated in Ireland.
- Adjective. Pertaining to or originating from Ireland or the Irish people.
- Adjective. Pertaining to the Irish language.
- Adjective. (Derogatory) Nonsensical, daft or complex.