5
inquisitory
5
investigating(noun, verb, questioning, experimenting)
5
trenchant(adjective, sharp, careful, unkind, penetrating)
4
acute(adjective, sharp, smart, careful, intelligent)
4
cutting(adjective, sharp, smart, nasty, intelligent)
4
exploration(noun, study, order, check, view)
4
penetrating(adjective, sharp, smart, careful, intelligent)
4
piercing(adjective, sharp, smart, intelligent, prudent)
4
prying(verb, searching)
4
quest(noun, study, order, check, view)
4
quizzical(adjective, confused, questioning)
4
quizzing(verb, review, question, examination, investigation)
4
researching(verb, adjective, penetrating, searching, analytical)
4
surveying(verb, questioning)
4
testing(noun, verb, experimenting)
4
trying(verb, experimenting)
3
asking(verb, questioning)
3
canvassing(verb, questioning)
3
checking(verb, experimenting)
3
enquiry
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APASmart Define. (2016). probing thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/probing/thesaurus/synonyms
ChicagoSmart Define. 2016. "probing thesaurus" https://smartdefine.org/probing/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, probing thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/probing/thesaurus/synonyms>.
MLASmart Define. "probing thesaurus" 3 February 2016. Web. 21 September 2026. <https://smartdefine.org/probing/thesaurus/synonyms>