Antonyms of adj underage

2 senses of underage

Sense 1
minor (vs. major), nonaged, underage -- (not of legal age; "minor children")


Sense 2
underage -- (dependent by virtue of youth)

INDIRECT (VIA dependent) -> independent -- (free from external control and constraint; "an independent mind"; "a series of independent judgments"; "fiercely independent individualism")

Similarity of adj underage

2 senses of underage

Sense 1
minor (vs. major), nonaged, underage -- (not of legal age; "minor children")

Sense 2
underage -- (dependent by virtue of youth)
       => dependent (vs. independent) -- (relying on or requiring a person or thing for support, supply, or what is needed; "dependent children"; "dependent on moisture")