Synonyms|1.1kAntonyms|412|Broader|17Narrower|24Related|3.7k
1
supposed
1
suspicious
1
unbelieving
1
undecided
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APASmart Define. (2016). doubtful thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/doubtful/thesaurus/narrower
ChicagoSmart Define. 2016. "doubtful thesaurus" https://smartdefine.org/doubtful/thesaurus/narrower (accessed September 22, 2026).
HarvardSmart Define 2016, doubtful thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/doubtful/thesaurus/narrower>.
MLASmart Define. "doubtful thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/doubtful/thesaurus/narrower>