20
attack(verb, charge, attack, criticize, dispute)
13
criticize(verb, charge, attack, dispute, scorn)
12
assail(verb, attack, criticize, dispute, challenge)
12
censure(verb, charge, attack, criticize, scorn)
12
denounce(verb, get, charge, attack, criticize)
12
challenge(verb, charge, oppose, dispute, deny)
10
dispute(verb, get, check, oppose, criticize)
10
gainsay(verb, break, check, reject, disregard)
9
deny(verb, check, reject, oppose, criticize)
9
oppose(verb, break, check, disregard, criticize)
8
question(verb, get, charge, criticize, dispute)
8
traverse(verb, break, check, disregard, oppose)
7
contradict(verb, break, check, reject, disregard)
7
blame(verb, charge, attack, criticize, scorn)
7
impeach(verb, get, charge, attack, oppose)
7
doubt(verb, dispute, challenge, deny, question)
7
negate(verb, break, check, reject, disregard)
6
accuse(verb, charge, attack, criticize, censure)
6
charge(verb, attack, criticize, censure, condemn)
6
cross(verb, break, get, disregard, oppose)
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APASmart Define. (2015). impugn thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/impugn/thesaurus/synonyms
ChicagoSmart Define. 2015. "impugn thesaurus" https://smartdefine.org/impugn/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, impugn thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/impugn/thesaurus/synonyms>.
MLASmart Define. "impugn thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/impugn/thesaurus/synonyms>