75 entries under verb topic. ×

19
inquire(examine, challenge, doubt, seek)
14
ask(doubt, question, search, suspect)
12
query(examine, challenge, doubt, seek)
11
investigate(examine, challenge, seek, search)
11
question(noun, doubt, search, ask)
8
examine(challenge, doubt, question, seek)
6
interrogate(examine, challenge, doubt, question)
6
seek(examine, challenge, search, test)
5
pry(examine, challenge, seek, search)
5
wonder
4
probe(noun, examine, challenge, seek)
4
quiz(examine, challenge, doubt, question)
3
catechize(examine, challenge, doubt, question)
3
challenge(dispute, examine, doubt, question)
3
hit up(expression, examine, challenge, doubt)
3
knock(examine, challenge, doubt, question)
3
make inquiry(expression, examine, challenge, seek)
2
ask about(expression, examine, challenge, seek)
2
cross-examine(examine, challenge, seek, search)
2
give the third degree(expression, idiom, examine, challenge)
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APASmart Define. (2016). enquire thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/enquire/thesaurus/synonyms
ChicagoSmart Define. 2016. "enquire thesaurus" https://smartdefine.org/enquire/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, enquire thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/enquire/thesaurus/synonyms>.
MLASmart Define. "enquire thesaurus" 17 February 2016. Web. 24 September 2026. <https://smartdefine.org/enquire/thesaurus/synonyms>