5 entries under belief topic. ×

13
doubtfully(adverb, uncertainly, cautiously, hesitantly)
5
skeptically(adverb, skeptically)
4
askance(adverb, sideways)
1
questioningly
1
with a grain of salt(idiom, adverb)
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APASmart Define. (2015). dubiously thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/dubiously/thesaurus/synonyms
ChicagoSmart Define. 2015. "dubiously thesaurus" https://smartdefine.org/dubiously/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, dubiously thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/dubiously/thesaurus/synonyms>.
MLASmart Define. "dubiously thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/dubiously/thesaurus/synonyms>