1. Indicating a lack of maturity
   "infantile behaviour"
   - childish 
2. Of or relating to infants or infancy
   "infantile paralysis" 
3. Being or befitting or characteristic of an infant
   "infantile games"

See also: immature, infancy, young

• Ivan Sergeevich Turgenev
• Ivan the Great
• Ivan the Terrible
• Ivan Turgenev
• Ivanov
• Ives
• IVF
• ivied
• Ivor Armstrong Richards
• ivory
• ivory black
• Ivory Coast
• Ivory Coast franc
• ivory gull
• ivory nut
• ivory palm
• ivory plant
• ivory tower
• ivory tree
• ivory-billed woodpecker
• ivory-nut palm
• ivorybill
• IVP
• Ivry
• Ivry la Bataille