184 entries under expression topic. ×

5
be suspicious of(verb, idiom, suspect, distrust)
5
call in question(verb, idiom, oppose, dispute)
4
be dubious(verb, idiom, dispute, challenge)
4
have reservations(verb, question, suspect, distrust)
4
smell a rat(verb, idiom, dispute, challenge)
3
wonder at(verb, phrasal verb, dispute, challenge)
3
call into question(idiom, dispute, question, suspect)
3
funny feeling(noun, impression, guess, apprehension)
2
hem and haw(idiom, pause, disagree, hesitate)
2
object to(verb, oppose, dispute, challenge)
2
puzzle over
2
second thought(noun, integrity, morality, misgiving)
2
take exception to(verb, idiom, decline, reject)
1
ants in pants(noun, idiom, trouble, worry)
1
awake a doubt
1
bad vibes(noun, uncertainty, impression, guess)
1
be at sea
1
blink at(reject, disregard, ignore, neglect)
1
blow hot and cold(idiom, pause, hesitate, falter)
1
brush off(reject, disregard, ignore, neglect)
<1234510>
10 years ago|21k views|share |citing 
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>