157 entries under question topic. ×

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go for jugular(verb, expression, idiom, oppose, dispute)
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hassle(verb, challenge, deny, contest)
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have doubts(verb, expression, suspect, distrust)
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have reservations about(expression, idiom, suspect)
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impeach(dispute, suspect)
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jockey for position(verb, expression, idiom, oppose, dispute)
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kick around(verb, expression, challenge, deny)
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knock(dispute, suspect)
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litigate(verb, oppose, dispute, challenge)
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lock horns(verb, expression, challenge, contest)
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mix it up with(verb, expression, idiom, oppose, dispute)
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pick a bone(verb, expression, idiom, challenge, deny)
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pin something on(expression, idiom, dispute)
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put down(expression, dispute)
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put under suspicion(expression, idiom)
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questioning(noun, request, uncertainty, dissent)
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quibble(verb, challenge, deny, contest)
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resist(dispute, object, protest, disagree)
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run down(expression, dispute)
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scramble for(verb, expression, oppose, dispute, challenge)
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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>