101 entries under request topic. ×

61
examine(verb, action, study, check, separate)
42
study(noun, verb, get, check, run)
36
explore(verb, action, study, check, separate)
31
scrutinize(verb, study, check, separate, run)
30
probe(verb, action, study, check, separate)
29
inspect(verb, study, check, run, consider)
19
inquire(verb, action, study, get, check)
17
search(noun, verb, action, study, check)
13
sift(verb, action, study, check, separate)
11
question(verb, study, get, check, consider)
11
test(noun, verb, study, get, check)
9
pry(verb, study, check, consider, sound)
9
canvass(verb, study, check, run, consider)
9
seek(verb, action, study, check, sound)
8
go over(verb, expression, phrasal verb, study, check)
7
interrogate(verb, study, check, consider, observe)
7
try(verb, study, get, check, consider)
6
quiz(verb, study, check, correct, examine)
5
query(verb, get, dispute, provoke, examine)
4
ask(verb, examine, question, test)
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APASmart Define. (2016). investigate thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/investigate/thesaurus/synonyms
ChicagoSmart Define. 2016. "investigate thesaurus" https://smartdefine.org/investigate/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, investigate thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/investigate/thesaurus/synonyms>.
MLASmart Define. "investigate thesaurus" 17 February 2016. Web. 23 September 2026. <https://smartdefine.org/investigate/thesaurus/synonyms>