6
illness(noun, disease, sickness, infection)
6
impotence(noun, state, weakness, impropriety, inability)
6
incompetence(noun, state, weakness, impropriety, inability)
5
feebleness(noun, state, weakness, fault, imperfection)
5
ailment(noun, disease, illness, sickness, infection)
5
debility(noun, state, weakness, inability)
5
malady(noun, disease, illness, sickness, infection)
4
frailty(noun, fault, imperfection, infirmity, feebleness)
4
powerlessness(noun, state, weakness, inability, debility)
3
bad manners(noun, expression, health, state, condition)
3
flaw(noun, fault, imperfection, infirmity, feebleness)
3
inaptitude(noun, impropriety, inability, disability, unfitness)
3
incapacity(noun, impropriety, inability, disability, unfitness)
3
inefficiency(noun, impropriety, inability, disability, unfitness)
3
infection(noun, disease, illness, sickness)
2
sloth(noun, state, inactivity, laziness, inaction)
2
indolence(noun, state, inactivity, laziness, inaction)
2
inertia(noun, state, inactivity, laziness, inaction)
2
sluggishness(noun, state, inactivity, laziness, inaction)
2
enervation(noun, state, weakness, inability, debility)
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APASmart Define. (2016). fitness thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/fitness/thesaurus/antonyms
ChicagoSmart Define. 2016. "fitness thesaurus" https://smartdefine.org/fitness/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 2016, fitness thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/fitness/thesaurus/antonyms>.
MLASmart Define. "fitness thesaurus" 29 February 2016. Web. 29 September 2026. <https://smartdefine.org/fitness/thesaurus/antonyms>