3
adult
2
dog(noun, adult)
2
expert(noun, adult)
2
gorgon(noun, adult)
2
grown(adjective, age)
2
senior(noun, adult)
1
bag(noun, adult)
1
big
1
blooming
1
blossoming
1
budding
1
burgeoning
1
crescent
1
crone(noun, adult)
1
developed
1
elder(noun, adult)
1
florescent
1
flourishing
1
flowering
1
full-fledged
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APASmart Define. (2016). grown up thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/grown_up/thesaurus/synonyms
ChicagoSmart Define. 2016. "grown up thesaurus" https://smartdefine.org/grown_up/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, grown up thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/grown_up/thesaurus/synonyms>.
MLASmart Define. "grown up thesaurus" 30 March 2016. Web. 20 September 2026. <https://smartdefine.org/grown_up/thesaurus/synonyms>