Irish has 7 different meanings across 3 categories:
Noun · Adjective · Proper Noun
people of Ireland or of Irish extraction
"The crowd cheered as the group of irish players won the championship."
whiskey made in Ireland chiefly from barley
"The bartender poured me an Irish to celebrate my promotion at work."
the Celtic language of Ireland
"The teacher encouraged students to practice their Irish by speaking it at home every day."
A board game of the tables family.
"After winning at poker, he moved on to play Irish in his brother's basement."
In plain English: An Irish person is someone who comes from Ireland, which is an island located off the coast of western Europe.
"The pub was full of irish tourists enjoying their weekend away from home."
of or relating to or characteristic of Ireland or its people
"The traditional music played in the pub was distinctly Irish, featuring lively fiddles and haunting melodies from the Emerald Isle."
Pertaining to or originating from Ireland or the Irish people.
"The irish flag was raised proudly in the town square during St. Patrick's Day celebrations."
In plain English: Irish describes anything that comes from Ireland, such as its people, culture, or language.
"The Irish made famous St Patrick's Day parades across the world."
The Goidelic language indigenous to Ireland, also known as Irish Gaelic.
"Many tourists visit Dublin specifically to hear an elder speak fluent irish in the local pub."
The word "Irish" comes from Old English and Old Norse terms for Irishmen, which were likely derived from the Old Irish name Ériu. This original name probably meant "fat or fertile land," tracing back to ancient roots related to swelling or abundance found in other Indo-European languages.