Synonyms|46Antonyms|2|Broader|0Narrower|0Related|5
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indefinite(adverb, unmistakably, authentically, indisputably, veritably)
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uncertain(adverb, indefinite, unmistakably, perceptibly, palpably)
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APASmart Define. (2013). with certainty thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/with_certainty/thesaurus/antonyms
ChicagoSmart Define. 2013. "with certainty thesaurus" https://smartdefine.org/with_certainty/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2013, with certainty thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/with_certainty/thesaurus/antonyms>.
MLASmart Define. "with certainty thesaurus" 19 May 2013. Web. 21 September 2026. <https://smartdefine.org/with_certainty/thesaurus/antonyms>