74 entries under impugn topic. ×

2
be undetermined(verb, dispute, challenge, doubt, question)
2
canvass(verb, go, promote, challenge, exact)
2
contest(noun, verb, dispute, challenge, question)
2
demur(verb, dispute, challenge, doubt, question)
2
discredit(noun, verb, charge, dispute, anxiety)
2
fear(noun, verb, dispute, anxiety, challenge)
2
fluctuate(verb, dispute, challenge, doubt, question)
2
give no credence(expression, idiom, dispute, challenge, doubt)
2
harbor suspicion(verb, expression, dispute, challenge, doubt)
2
have qualms(verb, expression, dispute, challenge, doubt)
2
imagine(verb, dispute, challenge, doubt, question)
2
insinuate(verb, dispute, challenge, doubt, question)
2
not buy(verb, expression, dispute, challenge, doubt)
2
read differently(verb, expression, dispute, challenge, doubt)
2
shilly-shally(verb, dispute, challenge, doubt, question)
2
skepticize(verb, dispute, challenge, doubt, question)
2
surmise(verb, dispute, challenge, doubt, question)
2
take dim view of(expression, idiom, dispute, challenge, doubt)
2
vacillate(verb, dispute, challenge, doubt, question)
2
waver(verb, dispute, challenge, doubt, question)
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APASmart Define. (2016). query thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/query/thesaurus/synonyms
ChicagoSmart Define. 2016. "query thesaurus" https://smartdefine.org/query/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, query thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/query/thesaurus/synonyms>.
MLASmart Define. "query thesaurus" 17 February 2016. Web. 22 September 2026. <https://smartdefine.org/query/thesaurus/synonyms>