234 entries under investigate topic. ×

12
dig(verb, action, study, check, consider)
12
inquire(verb, action, study, check, separate)
12
go into(verb, expression, phrasal verb, action, study)
12
inspect(verb, study, meet, check, consider)
11
dig into(verb, expression, phrasal verb, study, check)
10
delve(verb, action, study, consider, touch)
10
delve into(verb, expression, phrasal verb, study, check)
10
experiment(noun, verb, study, check, taste)
10
pry(verb, study, check, consider, determine)
10
quest(noun, verb, study, check, determine)
9
question(noun, verb, study, check, consider)
8
comb(verb, study, check, separate, consider)
8
grope(verb, meet, check, touch, hit)
8
interrogate(verb, study, check, consider, observe)
8
look(verb, check, examine, watch, seek)
8
query(noun, verb, examine, review, challenge)
8
quiz(noun, verb, study, check, correct)
7
assay(noun, verb, study, check, consider)
7
hunt(noun, verb, check, determine, sound)
7
inquisition(noun, study, check, review, test)
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APASmart Define. (2016). probe thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/probe/thesaurus/synonyms
ChicagoSmart Define. 2016. "probe thesaurus" https://smartdefine.org/probe/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, probe thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/probe/thesaurus/synonyms>.
MLASmart Define. "probe thesaurus" 27 March 2016. Web. 28 September 2026. <https://smartdefine.org/probe/thesaurus/synonyms>