0
in need of repair
0
in one's dotage
0
in pain
0
in poor condition
0
in second childhood(expression, adjective, weak, feeble, enervated)
0
in smithereens
0
in the shop
0
incapacitated
0
infecund(enervated, irresilient)
0
inoperable
0
intravenous
0
invalid(enervated, irresilient)
0
iridescent
0
irresilient
0
kerflooey
0
keyed up
0
laid low(expression, enervated, irresilient)
0
long in the tooth(adjective, old)
0
low water(expression, decrease, ebb)
0
maturation(noun, upgrowth)
11 years ago|1.2k views|share |citing 
APASmart Define. (2015). senescent thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/senescent/thesaurus/synonyms
ChicagoSmart Define. 2015. "senescent thesaurus" https://smartdefine.org/senescent/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, senescent thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/senescent/thesaurus/synonyms>.
MLASmart Define. "senescent thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/senescent/thesaurus/synonyms>