Synonyms|633Antonyms|195|Broader|12Narrower|11Related|609
0
impotence
0
incapability
0
incapacity
0
indulgence
0
infection
0
insincerity
0
invalidity(success, enough)
0
irresoluteness
0
lameness
0
languidness
0
languor
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listlessness
0
litheness
0
lowness
0
lunacy
0
malaise(ease, cheer)
0
mendacity
0
mindlessness
0
misbehavior
0
misgiving
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APASmart Define. (2015). soundness thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/soundness/thesaurus/antonyms
ChicagoSmart Define. 2015. "soundness thesaurus" https://smartdefine.org/soundness/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, soundness thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/soundness/thesaurus/antonyms>.
MLASmart Define. "soundness thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/soundness/thesaurus/antonyms>