boyish has definitions from the field of education
1
[ adjective ] (education) befitting or characteristic of a young boy

Examples

"a boyish grin" "schoolboyish pranks"

Used in print

(Doris Miles Disney, Mrs. Meeker's Money....)

He disliked Garth on sight , conservative clothes and haircut , smile a shade too earnestly boyish for a man who must be well into his thirties , handclasp too consciously quick and firm .

Related terms

young

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