four-eyesnoun (pl four-eyes)

• irremediable
• irremissible
• irremovable
• irreparable
• irreplaceable
• irrepressible
• irreproachable
• irresistible
• irresolute
• irrespective
• irrespective of
• irresponsible
• irresponsive
• irretrievable
• irreverence
• irreversible
• irrevocable
• irrigate
• irritable
• irritable bowel syndrome
• irritant
• irritate
• irritation
• irrupt
• IS