Synonyms|477Antonyms|139|Broader|3Narrower|8Related|879
0
extortionate
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faithless
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fallacious
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fallible
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fanciful
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farcical
0
farfetched
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groundless
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hard to believe(expression, idiom)
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harrowing
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iffy
0
illegitimate
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illogical
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imcomprehensible(reasonable, common)
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inaccurate
0
incogitable(reasonable, common)
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inconsequent
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inconsequential
0
indecisive
0
insoluble
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APASmart Define. (2015). credible thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/credible/thesaurus/antonyms
ChicagoSmart Define. 2015. "credible thesaurus" https://smartdefine.org/credible/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2015, credible thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/credible/thesaurus/antonyms>.
MLASmart Define. "credible thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/credible/thesaurus/antonyms>