70 entries under infirmity topic. ×

8
fallibility(noun, weakness, failing, flaw, defect)
7
debilitation(noun, weak, disorder, weakness, fault)
5
drawback(noun, difficulty, weakness, fault, lapse)
5
insubstantiality(noun, strong, disorder, weakness, condition)
5
unsoundness(noun, strong, disorder, weakness, condition)
5
vulnerability(noun, disorder, anxiety, weakness, fault)
5
weakliness(noun, strong, weakness, condition, failing)
4
daintiness(noun, weakness, beauty, flaw, refinement)
4
invalidity(noun, difficulty, weakness, fault, lack)
4
sickliness(noun, disorder, weakness, fault, illness)
4
solecism(noun, wrong, weakness, burden, blame)
4
unsubstantiality(noun, strong, disorder, weakness, condition)
3
Achilles heel(noun, expression, point, weakness, fault)
3
delicateness(noun, strong, disorder, weakness, condition)
3
foil(noun, weakness, flaw, feebleness)
3
fragileness(noun, strong, disorder, weakness, condition)
3
lack(noun, difficulty, weakness, skill, failure)
3
puniness(noun, strong, disorder, weakness, condition)
2
disease(noun, disorder, weakness, fault, illness)
2
ill health(noun, expression, disorder, weakness, fault)
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APASmart Define. (2015). frailty thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/frailty/thesaurus/synonyms
ChicagoSmart Define. 2015. "frailty thesaurus" https://smartdefine.org/frailty/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, frailty thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/frailty/thesaurus/synonyms>.
MLASmart Define. "frailty thesaurus" 23 December 2015. Web. 26 September 2026. <https://smartdefine.org/frailty/thesaurus/synonyms>