234 entries under investigate topic. ×

1
look for(verb, expression, phrasal verb, check, examine)
1
look up(verb, expression, phrasal verb, study)
1
make inquiries(expression, study, request, ask)
1
mess around(expression, examine, try, test)
1
notice(noun, verb, study, check, consider)
1
observe(verb, study, check, consider, notice)
1
oversee(verb, study, check, observe, examine)
1
pat down(verb, expression, study, check, consider)
1
pick at(verb, expression, study, check, consider)
1
play around with(expression, idiom, study, examine, test)
1
ponder(verb, study, check, consider, observe)
1
practice with(expression, examine, try, test)
1
prowl(verb, examine, look, seek, search)
1
put out a feeler(verb, expression, idiom, explore)
1
resolve(verb, study, examine, scrutinize)
1
rifle through(verb, expression, check, examine, look)
1
run reconnaissance(expression, examine, seek, search)
1
rustle up(expression, examine, seek, search)
1
scoop out(verb, expression, action, turn, produce)
1
search for(verb, expression, phrasal verb, examine, look)
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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>