1
languor(noun, weakness, fault, lack, lapse)
1
lapse(noun, drop, fall, weakness, fault)
1
lassitude(noun, weakness, delicacy, inadequacy, shakiness)
1
latter part of animate life(life, period, age)
1
lees of life(life, period, age)
1
lessening(noun, drop, fall, failure, deterioration)
1
liking(noun, weakness, fault, lack, lapse)
1
malaise(noun, weakness, delicacy, inadequacy, shakiness)
1
maturity
1
metabolic psychosis
1
moral insanity
1
neglect(noun, neglect)
1
neglectfulness(noun, neglect)
1
negligence(noun, neglect)
1
old bones(life, period, age)
1
old order
1
old style
1
on the skids(noun, expression, idiom, drop, fall)
1
organic psychosis
1
paralytic dementia
10 years ago|4.1k views|share |citing 
APASmart Define. (2015). senility thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/senility/thesaurus/synonyms
ChicagoSmart Define. 2015. "senility thesaurus" https://smartdefine.org/senility/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, senility thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/senility/thesaurus/synonyms>.
MLASmart Define. "senility thesaurus" 23 December 2015. Web. 22 September 2026. <https://smartdefine.org/senility/thesaurus/synonyms>