22 entries under period topic. ×

9
senility(noun, life, age)
7
old age(noun, expression, idiom, life)
6
anility(noun, life, age)
5
eld(noun, life, age)
4
declining years(expression, idiom, life, age)
4
second childhood(expression, idiom, life, age)
3
anno(noun, life, age)
3
hoar(noun, life, age)
2
golden years(expression, idiom, life, age)
1
advancing years(life, age)
1
autumn of life(life, age)
1
black ox(life, age)
1
chair days(life, age)
1
evening of life(life, age)
1
golden age(life, age)
1
grey hairs(life, age)
1
latter part of animate life(life, age)
1
lees of life(life, age)
1
old bones(life, age)
1
retirement age(life, age)
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APASmart Define. (2015). oldness thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/oldness/thesaurus/synonyms
ChicagoSmart Define. 2015. "oldness thesaurus" https://smartdefine.org/oldness/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, oldness thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/oldness/thesaurus/synonyms>.
MLASmart Define. "oldness thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/oldness/thesaurus/synonyms>