77 entries under sure topic. ×

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brazen(certain, guaranteed)
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certain(self-assured, assured, self-confident, guaranteed)
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cinched(certain, guaranteed)
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clear-cut(certain, guaranteed)
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clinched(certain, guaranteed)
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collected(certain, guaranteed)
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complacent(certain, guaranteed)
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composed(certain, guaranteed)
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confirmed(certain, guaranteed)
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convinced(certain, self-assured, assured, self-confident)
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counting on(expression, certain, self-assured, assured)
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courageous(certain, self-assured, assured, self-confident)
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dauntless(certain, self-assured, assured, self-confident)
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decided(certain, guaranteed)
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definite(certain, guaranteed)
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dependable(certain, guaranteed)
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depending on(expression, certain, self-assured, assured)
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ensured(certain, guaranteed)
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fearless(certain, self-assured, assured, self-confident)
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fixed(certain, guaranteed)
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APASmart Define. (2016). upbeat thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/upbeat/thesaurus/synonyms
ChicagoSmart Define. 2016. "upbeat thesaurus" https://smartdefine.org/upbeat/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, upbeat thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/upbeat/thesaurus/synonyms>.
MLASmart Define. "upbeat thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/upbeat/thesaurus/synonyms>