- Definitions|1
- Thesaurus|499
- Abbreviations|0
| fair | |
| fully grown(expression, idiom) | |
| generous | |
| gigantic | |
| gray(aged, elderly) | |
| gray-haired(aged, elderly) | |
| grizzled(aged, elderly) | |
| grown-up(adjective, big) | |
| historical | |
| immemorial | |
| impaired(aged, elderly) | |
| in your prime(expression, idiom) | |
| inactive(aged, elderly) | |
| infirm(aged, elderly) | |
| longstanding | |
| matured(aged, elderly) | |
| methuselah | |
| most senior(expression, adjective, senior, oldest) | |
| nestor | |
| not getting any younger(expression, idiom, aged, elderly) |
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| APA | Smart Define. (2015). older thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/older/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "older thesaurus" https://smartdefine.org/older/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, older thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/older/thesaurus/synonyms>. |
| MLA | Smart Define. "older thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/older/thesaurus/synonyms> |