0
fair
0
fully grown(expression, idiom)
0
generous
0
gigantic
0
gray(aged, elderly)
0
gray-haired(aged, elderly)
0
grizzled(aged, elderly)
0
grown-up(adjective, big)
0
historical
0
immemorial
0
impaired(aged, elderly)
0
in your prime(expression, idiom)
0
inactive(aged, elderly)
0
infirm(aged, elderly)
0
longstanding
0
matured(aged, elderly)
0
methuselah
0
most senior(expression, adjective, senior, oldest)
0
nestor
0
not getting any younger(expression, idiom, aged, elderly)
11 years ago|4.8k views|share |citing 
APASmart Define. (2015). older thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/older/thesaurus/synonyms
ChicagoSmart Define. 2015. "older thesaurus" https://smartdefine.org/older/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, older thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/older/thesaurus/synonyms>.
MLASmart Define. "older thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/older/thesaurus/synonyms>