90 entries under dubious topic. ×

31
suspicious(adjective, person, uncertain, negative, nervous)
21
doubtful(adjective, person, certain, doubt, uncertain)
18
doubting(adjective, uncertain, shy, dishonest, doubtful)
16
unbelieving(adjective, false, belief, uncertain, negative)
14
distrustful(adjective, person, uncertain, negative, nervous)
12
questioning(adjective, belief, uncertain, nervous, doubtful)
10
uncertain(adjective, certain, doubt, nervous, doubtful)
7
mistrustful(adjective, uncertain, nervous, doubtful)
7
unconvinced(adjective, uncertain, nervous, doubtful, unsettled)
7
unsure(adjective, certain, doubt, uncertain, nervous)
6
hesitant(adjective, uncertain, nervous, shy, doubtful)
5
faithless(adjective, uncertain, dishonest, unsettled, hesitant)
5
agnostic(adjective, uncertain, doubtful, hesitant)
4
hesitating(adjective, uncertain, shy, doubtful, hesitant)
3
indecisive(adjective, uncertain, nervous, shy, doubtful)
3
wavering(adjective, uncertain, nervous, shy, dishonest)
2
capricious(adjective, false, dishonest, untrue)
2
changeable(adjective, false, dishonest, untrue)
2
equivocal(uncertain, doubtful, hesitant, unsure)
2
fickle(adjective, false, dishonest, untrue)
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APASmart Define. (2016). skeptical thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/skeptical/thesaurus/synonyms
ChicagoSmart Define. 2016. "skeptical thesaurus" https://smartdefine.org/skeptical/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, skeptical thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/skeptical/thesaurus/synonyms>.
MLASmart Define. "skeptical thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/skeptical/thesaurus/synonyms>