8 entries under decline topic. ×

8
age(noun, period, maturity, infirmity)
7
senility(noun, weakness, life, period)
5
second childhood(noun, expression, weakness, life)
4
anility(noun, life, period, age)
4
dotage(noun, weakness, period, age)
2
feebleness(noun, weakness, period, age)
2
senescence(noun, weakness, period, age)
1
senectitude(noun, weakness, period, age)
11 years ago|1.7k views|share |citing 
APASmart Define. (2015). old age thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/old_age/thesaurus/synonyms
ChicagoSmart Define. 2015. "old age thesaurus" https://smartdefine.org/old_age/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, old age thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/old_age/thesaurus/synonyms>.
MLASmart Define. "old age thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/old_age/thesaurus/synonyms>