infantile

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

1. indicating a lack of maturity (Freq. 2)
- childish tantrums
- infantile behavior
• Syn:
childish
• Similar to:
immature
• Derivationally related forms:
childishness (for: childish)
2. of or relating to infants or infancy
- infantile paralysis
• Pertains to noun:
infancy
3. being or befitting or characteristic of an infant
- infantile games
• Similar to:
young, immature