The Collaborative International Dictionary
Under-age
Under-age \Un"der-age`\, a.
Not having arrived at adult age; hence, incapable legally of performing certain acts restricted to adults.
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Not having arrived at adult age, or at years of discretion; hence, raw; green; immature; boyish; childish.
I myself have loved a lady, and pursued her with a great deal of under-age protestation.
--J. Webster.
Usage examples of "under-age".
Wir aw under-aged, but Terry n Gent look about twenty-five so thir wis nae bother thaim gittin served.
When we got there, the obligatory crew of under-age shitheels, half a dozen of them, were throwing a party on the fetid beach.
And it was toward this direction that Jim Pooley danced at the head of an inebriated conga line, composed for the most part of under-age females.