107 entries under challenge topic. ×

1
displeasure(noun, upset, anxiety, dislike)
1
disprove(verb, decline, reject, oppose, refuse)
1
give no credence(verb, expression, idiom, dispute)
1
harbor suspicion(verb, expression, hold, consider, dispute)
1
have at(verb, expression, deny, question)
1
have qualms(verb, expression, dispute, stick)
1
jump on(verb, expression, oppose, dispute)
1
moot(verb, deny, question, contest)
1
negate(verb, decline, reject, oppose, dispute)
1
negative(verb, decline, reject, oppose, dispute)
1
not buy(verb, expression, decline, reject, oppose)
1
push(oppose, argue, litigate)
1
quarrel(noun, verb, deny, question)
1
read differently(verb, expression, dispute, question)
1
refute(verb, decline, reject, oppose, refuse)
1
shilly-shally(noun, verb, delay, dispute, weakness)
1
skepticize(verb, dispute, question, suspect)
1
stand up for(verb, expression, idiom, oppose, dispute)
1
take dim view of(verb, expression, idiom, phrasal verb, dispute)
1
tangle(verb, oppose, dispute, question)
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APASmart Define. (2016). doubt thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/doubt/thesaurus/synonyms
ChicagoSmart Define. 2016. "doubt thesaurus" https://smartdefine.org/doubt/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, doubt thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/doubt/thesaurus/synonyms>.
MLASmart Define. "doubt thesaurus" 2 March 2016. Web. 23 September 2026. <https://smartdefine.org/doubt/thesaurus/synonyms>