14 entries under age topic. ×

4
senility(noun, decline, weakness, infirmity)
3
dotage(noun, decline, weakness, infirmity)
3
elderliness(noun, youth)
3
second childhood(noun, expression, decline, weakness)
3
senescence(noun, decline, weakness, infirmity)
2
infirmity
2
year(noun, youth)
1
agedness(noun, youth)
1
feebleness(noun, decline, weakness, infirmity)
1
weakness(noun, informal)
0
advanced age
0
decrepitude
0
fatuity
0
imbecility
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APASmart Define. (2015). senectitude thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/senectitude/thesaurus/synonyms
ChicagoSmart Define. 2015. "senectitude thesaurus" https://smartdefine.org/senectitude/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, senectitude thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/senectitude/thesaurus/synonyms>.
MLASmart Define. "senectitude thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/senectitude/thesaurus/synonyms>