549 entries under verb topic. ×

3
follow(get, catch, observe, have)
3
frisk(study, check, consider, correct)
3
grill(check, examine, challenge, demand)
3
note(study, determine, correct, follow)
3
peer(seize, search, bug, hunt)
3
plumb
3
poke into(expression, check, examine, look)
3
poll
3
pore over(expression, study, check, separate)
3
pump(check, examine, challenge, demand)
3
pursue(study, consider, follow, examine)
3
quest(check, follow, examine, challenge)
3
rummage(action, check, sound, examine)
3
scour(study, check, sound, examine)
3
size up(expression, study, check, consider)
3
tax(get, dispute, provoke, try)
3
trace(examine, look, seek, search)
2
give the third degree(expression, idiom, check, examine)
2
hit(examine, challenge, demand, request)
2
accost(get, dispute, provoke, demand)
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APASmart Define. (2016). investigate thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/investigate/thesaurus/synonyms
ChicagoSmart Define. 2016. "investigate thesaurus" https://smartdefine.org/investigate/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, investigate thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/investigate/thesaurus/synonyms>.
MLASmart Define. "investigate thesaurus" 17 February 2016. Web. 30 September 2026. <https://smartdefine.org/investigate/thesaurus/synonyms>