Synonyms|664Antonyms|113|Broader|5Narrower|0Related|240

95 entries under doubt topic. ×

3
blast(verb, charge, attack, criticize, dispute)
3
discredit(verb, charge, dispute, challenge)
3
put down(verb, expression, phrasal verb, criticize, dispute)
3
query(verb, get, charge, oppose, dispute)
2
inquire(verb, get, dispute, provoke, try)
2
slam(verb, criticize, dispute, informal, challenge)
2
smear(verb, attack, criticize, dispute, censure)
2
trash(verb, attack, criticize, dispute, challenge)
1
be apprehensive of(verb, dispute, challenge, question)
1
be curious(verb, dispute, challenge, question)
1
be dubious(verb, dispute, challenge, question)
1
be in a quandary(verb, dispute, challenge, question)
1
be puzzled(verb, dispute, challenge, question)
1
be uncertain(verb, dispute, challenge, question)
1
be undetermined(verb, dispute, challenge, question)
1
brawl(verb, challenge, deny, question)
1
cast aspersions upon(verb, expression, idiom, phrasal verb, criticize)
1
cast doubt on(expression, idiom, charge, question)
1
cast doubt upon(verb, expression, idiom, phrasal verb, oppose)
1
clash(verb, challenge, deny, question)
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APASmart Define. (2015). impugn thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/impugn/thesaurus/synonyms
ChicagoSmart Define. 2015. "impugn thesaurus" https://smartdefine.org/impugn/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, impugn thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/impugn/thesaurus/synonyms>.
MLASmart Define. "impugn thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/impugn/thesaurus/synonyms>