96 entries under probe topic. ×

2
penetrate(verb, study, check, consider, turn)
2
pierce(verb, study, check, consider, turn)
2
prod(verb, examine, test, survey, dig)
2
put through the wringer(verb, expression, idiom, examine, challenge)
2
roast(verb, examine, challenge, demand, request)
2
scope(verb, study, check, consider, observe)
2
scrutinate(verb, study, check, consider, observe)
2
solicit(verb, run, provoke, examine, challenge)
2
sound out(verb, expression, examine, challenge, question)
2
work over(verb, expression, examine, challenge, question)
1
eye(verb, study, check, consider, observe)
1
view(verb, study, check, consider, determine)
1
burn up(verb, expression, study, check, consider)
1
burrow(verb, action, turn, produce, clean)
1
dredge(verb, action, turn, produce, clean)
1
examine closely(verb, expression, study, check, consider)
1
excavate(verb, action, turn, produce, clean)
1
feel around(verb, expression, examine, test, survey)
1
get a load of(expression, idiom, study, check, consider)
1
gouge out(expression, action, dig, burrow)
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APASmart Define. (2016). investigate thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/investigate/thesaurus/synonyms
ChicagoSmart Define. 2016. "investigate thesaurus" https://smartdefine.org/investigate/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, investigate thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/investigate/thesaurus/synonyms>.
MLASmart Define. "investigate thesaurus" 17 February 2016. Web. 28 September 2026. <https://smartdefine.org/investigate/thesaurus/synonyms>