adult

1 relating to or typical of adults; displaying proper maturity an adult reaction to the issue Synonyms of adult grown-up, mature Near Antonyms of adult childish, infantile, kiddish Antonyms of adult adolescent, immature

2 dealing in or with explicitly sexual material an adult magazine Synonyms of adult mature, pornographic, porny, X-rated Words Related to adult hard-core, soft-core; bedroom, erotic (also erotical), sexy, suggestive; bawdy, coarse, crude, dirty, filthy, foul, gross, indecent, lascivious, lewd, lustful, nasty, obscene, ribald, salacious, smutty, unprintable, vulgar, wanton; immodest, kinky, prurient; earthy, racy, salty; indecorous, unbecoming; debasing, perverted, profane; naughty, wicked Near Antonyms of adult priggish, prim, prudish, puritanical, straitlaced (or straightlaced), Victorian; correct, decent, decorous, genteel, polite, proper, seemly Antonyms of adult clean, G-rated

3 fully grown or developed insects that are butterflies in their adult stage Synonyms of adult mature, full-blown, full-fledged, matured, ripe, ripenedWords Related to adult aged, aging (or ageing), long-lived, old, older; golden, mellowNear Antonyms of adult blooming, blossoming, burgeoning, flourishing, flowering; undeveloped, unfinished, unfledged, unformedAntonyms of adult adolescent, green, immature, juvenile, unripe, unripened, young, youngish, youthful

a fully grown person at the beach, the adults sat under broad umbrellas while the children splashed in the water Synonyms of adult grown-up Words Related to adult middle-ager; ancient, elder, gaffer, graybeard, oldster, old-timer, senior, senior citizen Near Antonyms of adult bairn [chiefly Scottish], child, cub, kid, moppet, tad, toddler, tot, tyke (also tike); baby, infant; adolescent, juvenile, minor, youngling, youngster, youth; preteen, preteen-ager, teen, teenager, teener, teenybopper, tween