Synonyms|92Antonyms|2|Broader|4Narrower|0Related|68
1
eighty
1
elder
1
eleven
1
fifteen
1
fifty
1
five and twenty(expression, idiom)
1
fortnight
1
forty
1
four and twenty(expression, idiom)
1
fourscore
1
fourscore and ten(expression, idiom)
1
fourteen
1
geezer
1
golden-ager
1
gramps
1
half a hundred(expression, idiom)
1
long dozen
1
ninety
1
old
1
old-timer
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APASmart Define. (2015). nonagenarian thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/nonagenarian/thesaurus/synonyms
ChicagoSmart Define. 2015. "nonagenarian thesaurus" https://smartdefine.org/nonagenarian/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, nonagenarian thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/nonagenarian/thesaurus/synonyms>.
MLASmart Define. "nonagenarian thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/nonagenarian/thesaurus/synonyms>