13 entries under feebleness topic. ×

8
age(noun, decline, period, maturity, infirmity)
7
senility(noun, decline, weakness, life, period)
5
second childhood(noun, expression, decline, weakness, life)
4
decrepitude(noun, weakness, period, age, infirmity)
4
dotage(noun, decline, weakness, period, age)
4
infirmity(noun, weakness, period, age)
2
senescence(noun, decline, weakness, period, age)
1
agedness(noun, weakness, period, age, infirmity)
1
elderliness(noun, weakness, period, age, infirmity)
1
fatuity(noun, weakness, infirmity)
1
imbecility(noun, weakness, infirmity)
1
senectitude(noun, decline, weakness, period, age)
0
advanced age(noun, weakness, infirmity)
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APASmart Define. (2015). old age thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/old_age/thesaurus/synonyms
ChicagoSmart Define. 2015. "old age thesaurus" https://smartdefine.org/old_age/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, old age thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/old_age/thesaurus/synonyms>.
MLASmart Define. "old age thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/old_age/thesaurus/synonyms>