20
old(adjective, physical, feeble, age, enervated)
16
aged(adjective, physical, feeble, tired, frail)
16
decrepit(adjective, physical, uncertain, feeble, tired)
15
doddering(adjective, physical, feeble, frail, flimsy)
14
feeble(adjective, physical, uncertain, frail, puny)
14
infirm(adjective, physical, uncertain, feeble, tired)
11
elderly(adjective, tired, gray, mature, age)
11
sick(adjective, physical, feeble, aged)
10
weak(adjective, strong, physical, uncertain, feeble)
9
ancient(adjective, physical, tired, gray, mature)
9
anile(adjective, physical, feeble, frail, age)
9
gaga
8
declining(adjective, age, aged)
8
senescent(adjective, physical, enervated, irresilient)
7
doddery
7
doting(adjective, physical, age, youth)
7
enfeebled(adjective, physical, tired, gray, mature)
6
forgetful(adjective, neglectful)
6
gray(tired, mature, age, aged, older)
5
antiquated(adjective, feeble, frail, age, flimsy)
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APASmart Define. (2016). senile thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/senile/thesaurus/synonyms
ChicagoSmart Define. 2016. "senile thesaurus" https://smartdefine.org/senile/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, senile thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/senile/thesaurus/synonyms>.
MLASmart Define. "senile thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/senile/thesaurus/synonyms>