15
well-versed
13
old(adjective, age)
9
multiskilled
4
mature(adjective, old, immature, adult)
3
ripe
2
adult
2
decrepit(adjective, good, sound, debilitated, deteriorated)
2
elderly
1
aged(noun, preposition)
1
geriatric
1
late
1
older
1
grey
1
mellow(strong, rough)
1
aged
1
aging
1
antediluvian(adjective, prehistoric)
1
antique
1
babe
1
centenarian
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APASmart Define. (2016). young thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/young/thesaurus/antonyms
ChicagoSmart Define. 2016. "young thesaurus" https://smartdefine.org/young/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2016, young thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/young/thesaurus/antonyms>.
MLASmart Define. "young thesaurus" 28 March 2016. Web. 21 September 2026. <https://smartdefine.org/young/thesaurus/antonyms>