A militant organization of Irish nationalists who used terrorism and guerilla warfare in an effort to drive British forces from Northern Ireland and achieve a united independent Ireland WordNet 3.0 & Open English WordNet

The Provisional Irish Republican Army, officially known as the Irish Republican Army and informally known as the Provos, was an Irish republican paramilitary force that sought to end British rule in Northern Ireland, facilitate Irish reunification and bring about an independent republic encompassing all of Ireland. Wikipedia

The Irish Republican Army is a name used by various paramilitary organisations in Ireland throughout the 20th and 21st centuries. Wikipedia

The Irish Republican Army was an Irish republican revolutionary paramilitary organisation. Wikipedia

An Irish nationalist terrorist group Wikipedia Disambiguation

Any of several armed movements dedicated to Irish republicanism. Wikipedia Disambiguation

A military organisation descended from the Irish Volunteers Wikipedia Disambiguation

The original organisation, who fought in the Irish War of Independence and were recognised as the official army of the Irish Republic. Wikipedia Disambiguation

Irish republican revolutionary military organization Wikidata

1969–2005 Irish republican paramilitary militant group Wikidata

Organization Wikidata

Any of several Irish guerrilla or terrorist organisations fighting British rule in Ireland (later Northern Ireland) since the early 20th century. Wiktionary

One of the two groups formed following a split in the IRA in 1969, advocating a united socialist Ireland and supporting the use of terrorism and violence. Wiktionary