5
geriatric(adjective, tired, gray, mature, age)
5
superannuated(adjective, feeble, tired, frail, gray)
4
dotty
4
frail(adjective, uncertain, feeble, puny, shabby)
4
hoary(adjective, tired, gray, mature, age)
4
negligent(adjective, neglectful)
4
venerable(adjective, tired, gray, mature, age)
3
bumbling(adjective, neglectful)
3
debilitated(adjective, uncertain, feeble, tired, frail)
3
derelict(adjective, neglectful)
3
failing
3
hit-and-miss(adjective, neglectful)
3
imbecile(adjective, physical, age)
3
inadvertent(adjective, neglectful)
3
inattentive(adjective, neglectful)
3
inconsiderate(adjective, neglectful)
3
neglectful(adjective, neglectful)
3
perfunctory(adjective, neglectful)
3
reckless(adjective, neglectful)
3
remiss(adjective, neglectful)
10 years ago|7.7k views|share |citing 
APASmart Define. (2016). senile thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/senile/thesaurus/synonyms
ChicagoSmart Define. 2016. "senile thesaurus" https://smartdefine.org/senile/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, senile thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/senile/thesaurus/synonyms>.
MLASmart Define. "senile thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/senile/thesaurus/synonyms>