Ira

(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. Synonyms: Irish Republican Army, IRA, Provisional Irish Republican Army, Provisional IRA, Provos.

(noun) a retirement plan that allows you to contribute a limited yearly sum toward your retirement; taxes on the interest earned in the account are deferred. Synonyms: individual retirement account, IRA.

(noun) belligerence aroused by a real or supposed wrong (personified as one of the deadly sins). Synonyms: wrath, anger, ire, ira.