KEY: Opponent, [See ADVERSARY].

• Irreversible, [See REVERSIBLE]
• Irrevocable, [See REVERSIBLE]
• Irrigate
• Irrigation, [See IRRIGATE]
• Irritable, [See HASTY]
• Irritant, [See TENTATIVE]
• Irritate
• Irritation, [See IRRITATE]
• Irruption
• Isolate
• Isolation
• Issue
• {[ItEolst]?}
• Iteration
• Itinerant
• Jade
• Jangle
• Jangle \v
• Jar
• Jargon
• Jaundiced
• Jauty, or_Jaunty
• Jealous
• Jealousy
• Jeer