206 entries under verb topic. ×

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dare(oppose, challenge, deny, reverse)
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defend
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discept(challenge, deny, doubt, question)
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discuss(challenge, deny, doubt, question)
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disregard(break, breach, flout)
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give denial to(phrasal verb, negation)
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hassle(challenge, deny, doubt, question)
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impune
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kick around(expression, challenge, deny, doubt)
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lock horns(expression, challenge, question, contest)
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moot(challenge, deny, doubt, question)
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murmur(criticize, protest, grumble, whine)
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naysay(oppose, contradict)
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nitpick(criticize, protest, grumble, whine)
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object to
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pass up(expression, reject, refuse, spurn)
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pick a bone(expression, idiom, challenge, deny)
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quarrel with
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query(dispute, challenge, doubt, question)
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raise doubts about
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APASmart Define. (2015). gainsay thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/gainsay/thesaurus/synonyms
ChicagoSmart Define. 2015. "gainsay thesaurus" https://smartdefine.org/gainsay/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, gainsay thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/gainsay/thesaurus/synonyms>.
MLASmart Define. "gainsay thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/gainsay/thesaurus/synonyms>