Synonyms|218Antonyms|42|Broader|4Narrower|2Related|109
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looseness(recklessness, licentiousness, wastefulness)
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ludicrous
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mania(foolishness, irrationality, senselessness)
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muddle-headedness
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neurosis(foolishness, irrationality, senselessness)
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nonsensical
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nuttiness
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over-sufficiency
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phobia(foolishness, irrationality, senselessness)
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preposterous
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presumptuousness(recklessness, licentiousness, wastefulness)
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profuseness(waste, extravagance, excess, carelessness, recklessness)
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psychosis(foolishness, irrationality, senselessness)
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refractoriness(recklessness, licentiousness, wastefulness)
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relaxation(recklessness, licentiousness, wastefulness)
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relaxedness(recklessness, licentiousness, wastefulness)
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ridiculous
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sauciness(recklessness, licentiousness, wastefulness)
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self-indulgence(recklessness, licentiousness, wastefulness)
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sensuality(recklessness, licentiousness, wastefulness)
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APASmart Define. (2015). preposterousness thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/preposterousness/thesaurus/synonyms
ChicagoSmart Define. 2015. "preposterousness thesaurus" https://smartdefine.org/preposterousness/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, preposterousness thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/preposterousness/thesaurus/synonyms>.
MLASmart Define. "preposterousness thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/preposterousness/thesaurus/synonyms>