85 entries under certain topic. ×

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absolutely certain(expression, sure, guaranteed)
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beyond doubt(expression, sure, guaranteed)
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cinched(sure, guaranteed)
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clear-cut(sure, guaranteed)
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clinched(sure, guaranteed)
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confirmed(sure, guaranteed)
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dependable(sure, guaranteed)
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ensured(sure, guaranteed)
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fixed(sure, guaranteed)
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guaranteed
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gung ho(expression, sure, guaranteed)
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indubitable(sure, guaranteed)
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insured(sure, guaranteed)
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irrefutable(sure, guaranteed)
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made certain(expression, sure, guaranteed)
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pronounced(sure, guaranteed)
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racked(sure, self-assured, guaranteed, poised)
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sealed(sure, guaranteed)
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set(sure, guaranteed)
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sewed up(expression, sure, guaranteed)
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APASmart Define. (2015). self-confident thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/self-confident/thesaurus/synonyms
ChicagoSmart Define. 2015. "self-confident thesaurus" https://smartdefine.org/self-confident/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, self-confident thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/self-confident/thesaurus/synonyms>.
MLASmart Define. "self-confident thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/self-confident/thesaurus/synonyms>