8 entries under adult topic. ×

14
mature(adjective, established, settled, developed, ripe)
13
adult(adjective, mature, established, settled, developed)
8
grown-up(adjective, mature, established, settled, developed)
7
developed(adjective, mature, established, settled, ripe)
3
nubile
1
reasonable
1
serious
1
virile
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APASmart Define. (2016). full-grown thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/full-grown/thesaurus/synonyms
ChicagoSmart Define. 2016. "full-grown thesaurus" https://smartdefine.org/full-grown/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, full-grown thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/full-grown/thesaurus/synonyms>.
MLASmart Define. "full-grown thesaurus" 29 March 2016. Web. 1 October 2026. <https://smartdefine.org/full-grown/thesaurus/synonyms>