140 entries under challenge topic. ×

5
solicit(verb, get, provoke, examine)
4
be curious(verb, dispute, think, doubt)
4
debate(noun, verb, dispute, question)
4
grill(verb, check, examine, measure)
4
impugn(verb, get, charge, oppose, dispute)
4
petition(noun, verb, get, go, promote)
4
request(noun, verb, get, go, promote)
4
wonder(noun, verb, trouble, concern, dispute)
3
ask about(verb, expression, phrasal verb, examine)
3
be dubious(verb, dispute, doubt, question)
3
be uncertain(verb, dispute, doubt, question)
3
cross-examine(verb, check, examine, measure)
3
disbelieve(verb, dispute, think, doubt)
3
go over(verb, expression, examine, demand)
3
knock(verb, examine, seek, investigate)
3
make inquiry(verb, expression, examine, seek)
3
misdoubt(verb, dispute, doubt, question)
3
misgive(verb, dispute, doubt, question)
3
roast(verb, examine, demand, request)
3
scruple(noun, verb, trouble, concern, dispute)
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APASmart Define. (2016). query thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/query/thesaurus/synonyms
ChicagoSmart Define. 2016. "query thesaurus" https://smartdefine.org/query/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, query thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/query/thesaurus/synonyms>.
MLASmart Define. "query thesaurus" 17 February 2016. Web. 21 September 2026. <https://smartdefine.org/query/thesaurus/synonyms>