Synonyms|658Antonyms|136|Broader|7Narrower|16Related|365
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falseness
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falsity
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freshness
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funniness
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gayness
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giddiness
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gleefulness
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glibness
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godlessness
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guile
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hastiness
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high-spiritedness
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humbug
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humor
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idleness(noun, weakness, indifference)
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illegitimacy
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impiousness
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inattention
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indecision(noun, weakness, indifference)
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indecorousness
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APASmart Define. (2015). earnestness thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/earnestness/thesaurus/antonyms
ChicagoSmart Define. 2015. "earnestness thesaurus" https://smartdefine.org/earnestness/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, earnestness thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/earnestness/thesaurus/antonyms>.
MLASmart Define. "earnestness thesaurus" 23 December 2015. Web. 27 September 2026. <https://smartdefine.org/earnestness/thesaurus/antonyms>