UNDERAGE
underage
(adjective) dependent by virtue of youth
minor, nonaged, underage
(adjective) not of legal age; “minor children”
Source: WordNet® 3.1
Etymology 1
Adjective
underage (not comparable)
Below the legal age for some activity, such as drinking or having sex.
Not yet a legal adult; still a minor.
Synonyms
• (not legal): minor (noun)
Antonyms
• of age
• overage
Etymology 2
Noun
underage (plural underages)
A deficit or shortfall in funds, inventory, or capacity.
Anagrams
• Gendreau, dungaree, unagreed, ungeared
Source: Wiktionary
Un"der-age`, a.
Definition: Not having arrived at adult age, or at years of discretion;
hence, raw; green; immature; boyish; childish. [Obs.]
I myself have loved a lady, and pursued her with a great deal of
under-age protestation. J. Webster.
Source: Webster’s Unabridged Dictionary 1913 Edition