34 entries under challenge topic. ×

19
inquire(verb, examine, doubt, seek)
12
query(verb, examine, doubt, seek)
11
investigate(verb, examine, seek, search)
8
examine(verb, doubt, question, seek)
6
interrogate(verb, examine, doubt, question)
6
seek(verb, examine, search, test)
5
pry(verb, examine, seek, search)
4
probe(noun, verb, examine, seek)
4
quiz(verb, examine, doubt, question)
3
catechize(verb, examine, doubt, question)
3
hit up(verb, expression, examine, doubt)
3
knock(verb, examine, doubt, question)
3
make inquiry(verb, expression, examine, seek)
2
ask about(verb, expression, examine, seek)
2
cross-examine(verb, examine, seek, search)
2
give the third degree(verb, expression, idiom, examine)
2
go over(verb, expression, examine, seek)
2
grill(verb, examine, seek, search)
2
hit(verb, examine, seek, ask)
2
hold out for(verb, expression, idiom, examine)
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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>