175 entries under doubt topic. ×

1
discontent(dislike, disagreement, opposition, protest)
1
disesteem(oppose, dispute, dislike, cross)
1
disinclination(dislike, disagreement, opposition, protest)
1
displeasure(dislike, disagreement, opposition, protest)
1
dissatisfaction(dislike, disagreement, opposition, protest)
1
fluctuate(verb, dispute, question, hesitate)
1
give no credence(expression, idiom, dispute, question)
1
gripe(oppose, dislike, opposition, protest)
1
harbor suspicion(verb, expression, dispute, question)
1
hassle(noun, verb, irritate, deny)
1
have at(verb, expression, deny, question)
1
have qualms(verb, expression, dispute, question)
1
hesitate(verb, oppose, dispute, object)
1
imagine(verb, dispute, question, hesitate)
1
insinuate(verb, encourage, dispute, question)
1
negative(verb, oppose, criticize, dispute, deny)
1
niggle(noun, verb, dislike, irritate, disagreement)
1
not buy(verb, expression, dispute, question)
1
odium(dislike, disagreement, opposition, protest)
1
pin something on(expression, idiom, criticize, dispute)
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APASmart Define. (2016). challenge thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/challenge/thesaurus/synonyms
ChicagoSmart Define. 2016. "challenge thesaurus" https://smartdefine.org/challenge/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, challenge thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/challenge/thesaurus/synonyms>.
MLASmart Define. "challenge thesaurus" 1 April 2016. Web. 23 September 2026. <https://smartdefine.org/challenge/thesaurus/synonyms>