1. Exclamation of joy or victory
   - hooray, hurrah, hurray, whoopee, yippee

Encyclopedia: Hoorah

• irrelevantly
• irreligion
• irreligionist
• irreligious
• irreligiousness
• irremediable
• irremediably
• irremissible
• irremovable
• irreparable
• irreparably
• irreplaceable
• irreplaceableness
• irrepressibility
• irrepressible
• irrepressibly
• irreproachable
• irreproachably
• irreproducibility
• irreproducible
• irresistibility
• irresistible
• irresistible impulse
• irresistibleness
• irresistibly