234 entries under investigate topic. ×

1
chase after(verb, expression, check, examine, look)
1
chew over(verb, expression, study, check, consider)
1
clock(verb, study, check, observe, examine)
1
criticize(verb, study, check, consider, observe)
1
diagnose(examine, try, test, analyze)
1
dredge(verb, action, turn, produce, clean)
1
excavate(verb, action, turn, produce, clean)
1
feel around(verb, expression, explore, research)
1
fool with(expression, examine, try, test)
1
futz around(expression, examine, try, test)
1
give the once-over(verb, expression, idiom, study, check)
1
go in quest of(verb, expression, idiom, check, examine)
1
gouge out(expression, action, dig, burrow)
1
gun(verb, study, check, consider, observe)
1
gun for(verb, expression, check, examine, look)
1
have a look-see(expression, idiom, examine, seek)
1
hunt for(verb, expression, phrasal verb, check, examine)
1
interpret(verb, study, examine, censure, grasp)
1
jump into(expression, action, dig, burrow)
1
kick the tires(verb, expression, idiom, study, check)
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APASmart Define. (2016). probe thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/probe/thesaurus/synonyms
ChicagoSmart Define. 2016. "probe thesaurus" https://smartdefine.org/probe/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, probe thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/probe/thesaurus/synonyms>.
MLASmart Define. "probe thesaurus" 27 March 2016. Web. 29 September 2026. <https://smartdefine.org/probe/thesaurus/synonyms>