1. (noun) adult, grownup
a fully developed person from maturity onward
Synonyms: grownup, adult
Antonyms: juvenile person, juvenile, immature, unsexy
2. (adj) adult
any mature animal
Synonyms: grownup
Antonyms: juvenile person, juvenile, unsexy, immature
3. (adj) adult, big, full-grown, fully grown, grown, grownup
(of animals) fully developed
Synonyms: bountiful, magnanimous, full-grown, prominent, big, vainglorious, cock-a-hoop, braggy, heavy(p), giving, grownup, grown, large(p), enceinte, bounteous, liberal, self-aggrandizing, swelled, handsome, fully grown, braggart(a), with child(p), bighearted, expectant, heavy(a), great(p), large, bragging(a), bad, freehanded, pornographic, big(a), self-aggrandising, boastful, openhanded, adult, gravid, big(p), crowing
Antonyms: juvenile person, juvenile, immature, unsexy
4. (adj) pornographic, adult
designed to arouse lust
Synonyms: grownup, adult, pornographic, fully grown, grown, full-grown, big
Antonyms: juvenile, juvenile person, unsexy, immature
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Synonyms and Antonyms of adult 
