(py′ər·il, Brit. py′ə·rīl)adjective Pertaining to or characteristic of childhood; juvenile; hence, immature; weak; silly: a puerile suggestion. See synonyms under CHILDISH, YOUTHFUL.[<MF puéril <L puerilis <puer, pueri a boy] —pu′er·ile·lyadverb —pu′er·ile·nessnoun
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