1. (noun) 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

• ira
• irish republican army
• provisional irish republican army
• provos

1. (noun) 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

• act of terrorism
• terrorism
• terrorist act