2
rebut(verb, decline, reject, oppose, refuse)
2
reject(verb, adverb, decline, disregard, ignore)
2
remonstration(noun, issue, dislike, opposition, protest)
2
renounce(verb, adverb, decline, reject, refuse)
2
reservations
2
reserve(noun, trouble, concern, anxiety, confusion)
2
second thought(noun, expression, integrity, morality, misgiving)
2
solicitude(noun, trouble, worry, concern, anxiety)
2
stick(activity, object, shy, disagree, hesitate)
2
supposition(noun, idea, belief, uncertainty, impression)
2
take exception to(verb, expression, idiom, decline, reject)
2
timidity(noun, delay, distress, anxiety, weakness)
2
uncertainness
2
unease(noun, trouble, worry, concern, distress)
2
unfaith(noun, shame, dishonor, slur, skepticism)
2
unsureness(noun, disbelief)
2
unwillingness(noun, delay, weakness, dislike, challenge)
2
vagueness(noun, trouble, concern, anxiety, confusion)
2
wavering(noun, delay, anxiety, weakness, confusion)
1
ESP(guess, hunch, instinct)
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APASmart Define. (2016). doubt thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/doubt/thesaurus/synonyms
ChicagoSmart Define. 2016. "doubt thesaurus" https://smartdefine.org/doubt/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, doubt thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/doubt/thesaurus/synonyms>.
MLASmart Define. "doubt thesaurus" 2 March 2016. Web. 21 September 2026. <https://smartdefine.org/doubt/thesaurus/synonyms>