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

• Sapporo
• sappy
• sapraemia
• sapremia
• saprobe
• saprobic
• saprogenic
• Saprolegnia
• Saprolegnia ferax
• Saprolegniales
• saprolite
• sapropel
• saprophagous
• saprophyte
• saprophytic
• saprophytic organism
• saprotroph
• saprozoic
• SAPS
• sapsago
• sapsucker
• sapwood
• Saqqara
• Saqqarah
• saquinavir