12
elder(noun, person, adult, youth, senior)
11
senior citizen(noun, expression, idiom, someone, adult)
10
senior(noun, person, adult, youth, senior citizen)
8
old-timer(noun, informal, adult, youth, senior)
7
graybeard(noun, adult)
6
old man(expression, idiom, senior citizen)
6
ancient(noun, youth, senior)
6
veteran(noun, adult)
5
dotard
4
centenarian
4
golden ager(noun, expression, idiom, youth, senior)
4
nonagenarian
4
octogenarian
4
old person(noun, expression, idiom)
4
old woman
4
patriarch(noun, senior)
4
predecessor
3
adult
3
gaffer
3
grandfather(noun, senior)
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APASmart Define. (2016). oldster thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/oldster/thesaurus/synonyms
ChicagoSmart Define. 2016. "oldster thesaurus" https://smartdefine.org/oldster/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, oldster thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/oldster/thesaurus/synonyms>.
MLASmart Define. "oldster thesaurus" 30 March 2016. Web. 20 September 2026. <https://smartdefine.org/oldster/thesaurus/synonyms>