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



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 Originlate 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