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

95 entries under doubt topic. ×

1
quarrel(verb, challenge, deny, question)
1
quibble(verb, challenge, deny, question)
1
read differently(verb, expression, dispute, challenge)
1
run down(verb, expression, phrasal verb, criticize, dispute)
1
scruple(verb, dispute, challenge, question)
1
shilly-shally(verb, dispute, challenge, question)
1
skepticize(verb, dispute, challenge, question)
1
skin alive(verb, expression, criticize, dispute, challenge)
1
smell a rat(verb, expression, idiom, dispute, challenge)
1
stick it to(verb, expression, idiom, phrasal verb, charge)
1
surmise(verb, dispute, challenge, question)
1
suspect(verb, dispute, challenge, question)
1
swipe at(verb, expression, phrasal verb, criticize, dispute)
1
take dim view of(verb, expression, idiom, dispute, challenge)
1
take on(verb, expression, oppose, criticize, challenge)
1
tar(verb, criticize, dispute, challenge)
1
throw doubt on(verb, expression, idiom, phrasal verb, criticize)
1
throw the book at(verb, expression, idiom, phrasal verb, criticize)
1
thumb nose at(verb, expression, idiom, phrasal verb, criticize)
1
traduce(verb, criticize, dispute, challenge)
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APASmart Define. (2015). impugn thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/impugn/thesaurus/synonyms
ChicagoSmart Define. 2015. "impugn thesaurus" https://smartdefine.org/impugn/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, impugn thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/impugn/thesaurus/synonyms>.
MLASmart Define. "impugn thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/impugn/thesaurus/synonyms>