infantile

Definition of Infantile in English :

1. childish, infantile

indicating a lack of maturity

Example Sentences:
'childish tantrums'
'infantile behavior'

2. infantile

of or relating to infants or infancy

Example Sentences:
'infantile paralysis'

3. infantile

being or befitting or characteristic of an infant

Example Sentences:
'infantile games'

WordNet Lexical Database for English. Princeton University. 2010.

Infantile

adjective

1.

like a child in action or behaviour; childishly immature; puerile

2.

of, relating to, or characteristic of infants or infancy

3.

in an early stage of development

adjective

1.

of or having to do with infants or infancy

2.

like, suitable for, or characteristic of an infant; babyish; childish or childlike; immature

3.

in the earliest stage of development

adj.

1. Of or relating to infants or infancy.

2. Displaying or suggesting a lack of maturity; childish: infantile behavior; an infantile remark. See Synonyms at young.