Synonyms|443Antonyms|260|Broader|12Narrower|18Related|368
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dalliance
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debauchery
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dilettantism
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dishonesty
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disrespect
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diversion
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dizziness
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drollery(noun, whimsicalness)
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droopiness
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drunkenness
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dumb move(expression, judgment)
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easygoingness
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entertainment(work, melancholy)
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epigrammatist
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excitability
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express
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fad
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fakery
0
farce
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festivity
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APASmart Define. (2015). seriousness thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/seriousness/thesaurus/antonyms
ChicagoSmart Define. 2015. "seriousness thesaurus" https://smartdefine.org/seriousness/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, seriousness thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/seriousness/thesaurus/antonyms>.
MLASmart Define. "seriousness thesaurus" 23 December 2015. Web. 27 September 2026. <https://smartdefine.org/seriousness/thesaurus/antonyms>