Synonyms|658Antonyms|136|Broader|7Narrower|16Related|365
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indirectness
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indolence(noun, weakness, indifference)
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insignificance
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irony
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jauntiness
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jokiness
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joking
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joviality
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laughableness
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leniency
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lethargy(noun, weakness, indifference)
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lies
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looseness
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lukewarmness
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mendaciousness
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mirthfulness
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mischief
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mischievousness
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neglect
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negligence
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APASmart Define. (2015). earnestness thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/earnestness/thesaurus/antonyms
ChicagoSmart Define. 2015. "earnestness thesaurus" https://smartdefine.org/earnestness/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2015, earnestness thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/earnestness/thesaurus/antonyms>.
MLASmart Define. "earnestness thesaurus" 23 December 2015. Web. 28 September 2026. <https://smartdefine.org/earnestness/thesaurus/antonyms>