| geezerhood | |
| grey hairs(life, period, age) | |
| hoar(life, period, age) | |
| imbecility(noun, weakness, infirmity, feebleness) | |
| inveteracy | |
| lees of life(life, period, age) | |
| middle age(noun, expression, ability, experience, maturity) | |
| old bones(life, period, age) | |
| primogeniture | |
| sear and yellow leaf(life, period, age) | |
| senectitude(noun, decline, weakness, period, age) | |
| ability(experience, adulthood) | |
| advanced | |
| advanced age(noun, weakness, infirmity, feebleness) | |
| advancement(ability, experience, adulthood) | |
| aged | |
| aging | |
| ancientness | |
| antiqueness | |
| archaicism |
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Old_age on
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| APA | Smart Define. (2015). old age thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/old_age/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "old age thesaurus" https://smartdefine.org/old_age/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, old age thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/old_age/thesaurus/synonyms>. |
| MLA | Smart Define. "old age thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/old_age/thesaurus/synonyms> |