24
mature(noun, adjective, animal, complete, big)
18
full-grown(adjective, animal, complete, sophisticated, mature)
14
grown(adjective, animal, complete, ready, sophisticated)
13
grown-up(noun, adjective, animal, complete, big)
11
of age(expression, adjective, idiom, big, mature)
11
woman(noun, person, miss, people, mature)
9
big(adjective, youth, grown)
9
ripe(adjective, animal, complete, ready, full)
8
man(noun, person, miss, people, mature)
7
developed(adjective, animal, complete, ready, full)
7
fully grown(expression, adjective, idiom, ready, mature)
7
grown up(noun, verb, expression, adjective, phrasal verb)
7
grownup(noun, adjective, person, mature, matured)
7
masculine(adjective, manlike)
6
full-fledged(adjective, complete, ready, sophisticated, mature)
6
elder(noun, adjective, big)
5
full-blown(adjective, complete, ready, full, sophisticated)
5
matured(adjective, ready, prepared, mature, established)
5
nubile(adjective, ready, ripe, matured, adolescence)
5
sophisticated(adjective, cultured, established, settled, urbane)
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APASmart Define. (2016). adult thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/adult/thesaurus/synonyms
ChicagoSmart Define. 2016. "adult thesaurus" https://smartdefine.org/adult/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, adult thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/adult/thesaurus/synonyms>.
MLASmart Define. "adult thesaurus" 30 March 2016. Web. 22 September 2026. <https://smartdefine.org/adult/thesaurus/synonyms>