infantile

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++

Related topics: Illness & disability

in·fan·tile /ˈɪnfəntaɪl/ adjective  1  STUPID/NOT SENSIBLEinfantile behaviour seems silly in an adult because it is typical of a child 幼稚的，孩子气的 SYN childish infantile jokes 幼稚的玩笑2  [only before noun] technicalMICHILD relating to or affecting babies and very young children 婴儿的；幼儿的 infantile development 婴幼儿的发育

Examples from the Corpus

infantile• an infantile temper tantrum

in·fan·tile adjectiveChineseSyllable  

adult in an seems because infantile silly Corpus it behaviour

infantile
in‧fan‧tile /ˈɪnfəntaɪl/ adjective
1. infantile behaviour seems silly in an adult because it is typical of a child
   SYN  childish:
    infantile jokes
2. [only before noun] technical relating to or affecting babies and very young children:
    infantile development

in·fant·ileBrE /ˈɪnfəntaɪl/ 🔊NAmE /ˈɪnfəntaɪl/ 🔊 adjective(disapproving) typical of a small child (and therefore not suitable for adults or older children) 婴幼儿特有的；孩子气的 SYN childish [only before noun] (formal or specialist) connected with babies or very young children 婴儿的；幼儿的