Synonyms|198Antonyms|5|Broader|0Narrower|0Related|29
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doubtul
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maybe
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perhaps
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uncertain(adjective, adverb, distant, unmistakably, perceptibly)
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indefinite(adjective, adverb, obscure, dubious, unmistakably)
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APASmart Define. (2015). for certain thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/for_certain/thesaurus/antonyms
ChicagoSmart Define. 2015. "for certain thesaurus" https://smartdefine.org/for_certain/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2015, for certain thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/for_certain/thesaurus/antonyms>.
MLASmart Define. "for certain thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/for_certain/thesaurus/antonyms>