580 entries under verb topic. ×

10
grill(noun, check, examine, challenge)
10
poll(noun, review, request, examination)
10
protest(noun, pass, difficulty, issue)
10
seek(promote, examine, exact, try)
9
demur(noun, dispute, difficulty, stick)
9
discredit(charge, reject, disregard, ignore)
9
enquire(doubt, search, ask, suspect)
9
investigate(study, get, check, consider)
9
petition(noun, order, go, force)
9
pump(check, examine, review, challenge)
9
suspicion(noun, certain, request, doubt)
8
canvass(study, go, check, consider)
8
catechize(study, check, observe, examine)
8
controvert(consider, maintain, oppose, dispute)
8
cross-examine(examine, review, challenge, demand)
8
demand(noun, order, get, go)
8
explore(study, check, consider, maintain)
8
impugn(get, charge, criticize, dispute)
8
sound out(expression, phrasal verb, check, see)
8
test(noun, study, get, check)
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APASmart Define. (2016). question thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/question/thesaurus/synonyms
ChicagoSmart Define. 2016. "question thesaurus" https://smartdefine.org/question/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, question thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/question/thesaurus/synonyms>.
MLASmart Define. "question thesaurus" 8 March 2016. Web. 22 September 2026. <https://smartdefine.org/question/thesaurus/synonyms>