Synonyms|277Antonyms|50|Broader|4Narrower|0Related|342
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affirm
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affirmativeness
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allege
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approve
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ascertain
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assert
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assure
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avow
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bent
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bet on(expression, certain, sure, self-assured, assured)
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beyond doubt(expression, certain, sure, guaranteed)
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bold-faced
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brassbound
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brazen-faced
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bull-headed
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buoyant(self-assured, self-confident, poised)
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cinched(certain, sure, guaranteed)
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clear-cut(clear, certain, sure, guaranteed)
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clench
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clinched(certain, sure, guaranteed)
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APASmart Define. (2016). cocksure thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/cocksure/thesaurus/synonyms
ChicagoSmart Define. 2016. "cocksure thesaurus" https://smartdefine.org/cocksure/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, cocksure thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/cocksure/thesaurus/synonyms>.
MLASmart Define. "cocksure thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/cocksure/thesaurus/synonyms>