English

Definition of puerile adjective from the Oxford Advanced Learner's Dictionary

 

puerile

 adjective
adjective
BrE BrE//ˈpjʊəraɪl//
 
; NAmE NAmE//ˈpjʊrəl//
 
(disapproving) Youth
 
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silly; suitable for a child rather than an adult synonym childish See related entries: Youth Word Origin late 16th cent. (in the sense ‘like a boy’): from French puéril or Latin puerilis, from puer ‘boy’.
See the Oxford Advanced American Dictionary entry: puerile