Definition of "under-age" []

• Not having arrived at adult age; hence, incapable legally of performing certain acts restricted to adults. (adjective)
• Not having arrived at adult age, or at years of discretion; hence, raw; green; immature; boyish; childish. (adjective)

Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)

• "ROME — Italian prosecutors have placed Prime Minister Silvio Berlusconi under investigation for allegedly patronizing a prostitute and for abuse of office in a case involving an under-age Moroccan woman, prosecutors and Mr. Berlusconi's lawyers said on Friday."
• "Unless the law has been repealed Scarlett is right, so it would be lawful to arrest them both for under-age sex."
• "Grant Huscroft says there is already a list of documented abuses in polygamous communities such as forced marriages, under-age marriages, the treatment of women as property, harm to children and the expulsion of boys."