underacˈtion noun

1. Subordinate action
2. Less than normal or adequate action

underactˈor noun

• iridaceous
• iridal
• Irideae
• irideal
• iridectomies
• iridectomy
• irides
• iridescence
• iridescences
• iridescent
• iridescently
• iridial
• iridian
• iridic
• iridisation
• iridisations
• iridise
• iridised
• iridises
• iridising
• iridium
• iridiums
• iridization
• iridizations
• iridize