1. (

• Irish_Republican_Army ,
• IRA ,
• Provisional_Irish_Republican_Army ,
• Provisional_IRA ,
• Provos

) 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 ;

2. (

• individual_retirement_account ,
• IRA

) 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 ;

3. (

• wrath ,
• anger ,
• ire ,
• ira

) belligerence aroused by a real or supposed wrong (personified as one of the deadly sins) ;