5
softness(noun, beauty, refinement, delicacy, elegance)
5
unsoundness(noun, strong, disorder, weakness, condition)
5
unsubstantiality(noun, strong, weakness, condition, failing)
4
lack of energy(noun, weak, sick, unhealthy)
4
failure(noun, weakness, fault, shortcoming, hopelessness)
4
impairment(noun, weakness, condition, feelings, fault)
4
inadequacy(noun, weakness, failing, flaw, defect)
4
indecision(noun, health, weakness, fault, lack)
4
infection(noun, disorder, disease, illness, sickness)
4
languidness(noun, attitude, characteristics, states)
4
lassitude(noun, disorder, weakness, illness, sickness)
4
laxity(noun, weak, sick, unhealthy)
4
looseness(noun, weak, sick, unhealthy)
4
trouble(noun, difficulty, attitude, burden, immorality)
4
uncertainty(noun, health, states, irresolution, sensations)
4
unsteadiness(noun, condition, feelings, states)
4
vacillation(noun, health, states, irresolution, sensations)
3
declining health(noun, expression, condition, feelings, states)
3
delicateness(noun, strong, disorder, weakness, condition)
3
distemperature(noun, disease, attitude, characteristics, states)
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APASmart Define. (2015). infirmity thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/infirmity/thesaurus/synonyms
ChicagoSmart Define. 2015. "infirmity thesaurus" https://smartdefine.org/infirmity/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, infirmity thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/infirmity/thesaurus/synonyms>.
MLASmart Define. "infirmity thesaurus" 23 December 2015. Web. 25 September 2026. <https://smartdefine.org/infirmity/thesaurus/synonyms>