What is the opposite of infantile?

Need antonyms for infantile? Here's a list of opposite words from our thesaurus that you can use instead.

Contexts ▼▲ Opposite of pertaining to youth, infants or children Opposite of lacking sense, meaning, or purpose Opposite of for, or denoting, young or younger people Opposite of having an unusually strange character or behavior Opposite of silly in a childish way Opposite of foolish, senseless or absurd in nature … more ▼ ▲ Adjective ▲ Opposite of pertaining to youth, infants or children mature adult grown-up developed grown fully-grown fully grown fully-fledged sensible manly sophisticated adultish wise serious experienced responsible adultlike matured of age reasonable rational down-to-earth levelheaded Adjective ▲ Opposite of lacking sense, meaning, or purpose sensible significant meaningful intelligent serious bright profound smart weighty worthwhile Adjective ▲ Opposite of for, or denoting, young or younger people older senior elder higher-ranking superior old mature elderly grown-up adult nonagenarian senile septuagenarian grizzled geriatric doddering octogenarian ageingUK centenarian hoary senescent ancient veteran decrepit matured venerable agingUS aged grown up advanced developed tottering dilapidated established frayed tattered rickety antiquated full-grown worn out Adjective ▲ Opposite of having an unusually strange character or behavior normal logical reasonable sensible everyday orthodox prosaic unremarkable accustomed average common commonplace conventional expected general natural orderly ordinary regular routine run-of-the-mill standard typical unexceptional usual “You know, Ramirez, sometimes you seem as normal as muck, and other times you're the most princely person I've met.” Adjective ▲ Opposite of silly in a childish way serious mature sensible unfrivolous judicious rational reasonable earnest responsible sober learned pragmatic cultured punctilious considered meticulous dependable sagacious logical sophisticated levelheaded reasoned worldly shrewd wise enlightened perceptive thoughtful astute refined level-headed serious-minded well-grounded “If you were sensible, you would stop acting so childish!” Adjective ▲ Opposite of foolish, senseless or absurd in nature sensible intelligent judicious prudent sagacious sage sane sapient sound wise aware Find more words! 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Sentences with the word infantile Words that rhyme with infantile What is the adverb for infantile? What is the adjective for infantile? What is the noun for infantile? Use our Antonym Finder Nearby Words infantilely infantilism infantilization infantilizations infantine infantophile infanticipating infanticide infanthood infant baptism infant infancy 9-letter Words Starting With i in inf infa infan infant infanti infantil