3
illness(noun, disorder, sickness, affliction, ailment)
3
indisposition(noun, disorder, weakness, failing, affliction)
3
malady(noun, disorder, weakness, failing, affliction)
3
unhealthiness(noun, disorder, weakness, fault, illness)
3
weakliness(noun, strong, weakness, condition, failing)
3
weakness(noun, strong, disorder, crack, condition)
2
absurdity(noun, nonsense, stupidity, foolishness, madness)
2
blight(disorder, illness, defect, sickness, affliction)
2
condition(noun, disorder, illness, sickness, affliction)
2
craziness(noun, nonsense, absurdity, stupidity, foolishness)
2
daftness(nonsense, absurdity, stupidity, foolishness, madness)
2
delicateness(noun, strong, disorder, weakness, condition)
2
disrepair
2
fragileness(noun, strong, disorder, weakness, condition)
2
ill health(noun, expression, disorder, weakness, failing)
2
imprudence(nonsense, absurdity, stupidity, foolishness, madness)
2
inaccuracy(noun, invalidity)
2
inadequacy(noun, invalidity)
2
incongruity(inconsistency, irrationality)
2
inconsistency
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APASmart Define. (2016). unsoundness thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unsoundness/thesaurus/synonyms
ChicagoSmart Define. 2016. "unsoundness thesaurus" https://smartdefine.org/unsoundness/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, unsoundness thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unsoundness/thesaurus/synonyms>.
MLASmart Define. "unsoundness thesaurus" 29 February 2016. Web. 25 September 2026. <https://smartdefine.org/unsoundness/thesaurus/synonyms>