Synonyms|556Antonyms|156|Broader|22Narrower|76Related|199
11
inappropriateness(noun, form, characteristics, states, features)
9
incongruity(noun, form, characteristics, states, features)
8
unfitness(noun, status, characteristics, states)
7
inaptness(noun, form, status, characteristics, states)
7
incompatibility(noun, form, characteristics, states, features)
6
impropriety(noun, status, characteristics, states)
6
inadequacy(noun, form, characteristics, states, traits)
6
inapplicability(noun, traits, situations, phenomena)
6
ineptitude(noun, form, lack, characteristics, states)
5
inappositeness(noun, status, characteristics, states)
5
incorrectness(noun, status, characteristics, states)
5
irrelevance(noun, traits, situations, phenomena)
5
unbecomingness(noun, status, characteristics, states, traits)
4
improperness(noun, status, characteristics, states)
4
inadequateness(noun, traits, situations, phenomena)
4
inadmissibility(noun, traits, situations, phenomena)
4
incapacity(noun, lack, characteristics, features, traits)
4
incompetence(noun, lack, characteristics, features, traits)
4
indecency(noun, status, characteristics, states)
4
undesirability(noun, traits, situations, phenomena)
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APASmart Define. (2016). aptness thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/aptness/thesaurus/antonyms
ChicagoSmart Define. 2016. "aptness thesaurus" https://smartdefine.org/aptness/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2016, aptness thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/aptness/thesaurus/antonyms>.
MLASmart Define. "aptness thesaurus" 25 February 2016. Web. 20 September 2026. <https://smartdefine.org/aptness/thesaurus/antonyms>