Synonyms|66Antonyms|46|Broader|3Narrower|0Related|933
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being mature
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complete(established, settled, developed)
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cultivated(established, settled, developed)
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cultured(established, settled, developed)
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eligible
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fit(established, settled, developed)
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fully developed(adjective, adult)
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grown person(noun, adult)
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grown up(verb, phrasal verb)
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having reached maturity(expression, idiom)
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kidult
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large
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mam(noun, adult)
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marriageable(ready, ripe)
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matured(ready, prepared, mature, established, settled)
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maturity
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mellow(ready, prepared, mature, established, settled)
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mellowed(established, settled, developed)
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mister(noun, adult)
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nubile(ready, ripe)
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APASmart Define. (2015). grown-up thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/grown-up/thesaurus/synonyms
ChicagoSmart Define. 2015. "grown-up thesaurus" https://smartdefine.org/grown-up/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, grown-up thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/grown-up/thesaurus/synonyms>.
MLASmart Define. "grown-up thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/grown-up/thesaurus/synonyms>