423 entries under verb topic. ×

1
be uncertain(dispute, challenge, doubt, question)
1
be undetermined(dispute, challenge, doubt, question)
1
beard(get, dispute, provoke, demand)
1
belittle(disparage, degrade, malign, vilify)
1
beset(attack, criticize, blast, storm)
1
blacken(disparage, degrade, belittle, malign)
1
blacklist(attack, criticize, censure, condemn)
1
blister(attack, criticize, blast, disparage)
1
blow the whistle on(expression, idiom, charge, criticize)
1
blow up(expression, discredit, confound, contradict)
1
boycott(attack, criticize, censure, condemn)
1
brand(attack, criticize, censure, condemn)
1
brawl(challenge, deny, doubt, question)
1
bruise
1
buck(check, oppose, challenge, resist)
1
bust(attack, criticize, blast, storm)
1
cast aspersions upon(expression, idiom, phrasal verb, criticize)
1
cast doubt upon(expression, idiom, phrasal verb, oppose)
1
cavil(charge, criticize, scorn, condemn)
1
charge with(expression, attack, criticize, censure)
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APASmart Define. (2015). impugn thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/impugn/thesaurus/synonyms
ChicagoSmart Define. 2015. "impugn thesaurus" https://smartdefine.org/impugn/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, impugn thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/impugn/thesaurus/synonyms>.
MLASmart Define. "impugn thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/impugn/thesaurus/synonyms>