125 entries under investigate topic. ×

1
rifle through(verb, expression, check, examine, look)
1
root(verb, check, examine, find, look)
1
rummage(verb, action, check, examine, look)
1
scour(verb, check, examine, look, seek)
1
shake down(verb, expression, check, examine, find)
1
shovel(action, dig, research, probe)
1
smell around(verb, expression, check, examine, look)
1
spade(action, dig, research, probe)
1
superintend(verb, study, check, observe, examine)
1
supervise(verb, study, check, observe, examine)
1
test the waters(verb, expression, idiom, study, check)
1
track down(verb, expression, check, examine, look)
1
trowel(action, dig, research, probe)
1
turn upside down(verb, expression, idiom, check, examine)
1
weigh(verb, study, check, consider, criticize)
0
ask(request, dig, explore, research)
0
feel around(expression, dig, explore, research)
0
penetrate(dig, explore, research, delve)
0
pierce(dig, explore, research, delve)
0
prod(dig, explore, research, delve)
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APASmart Define. (2016). prospect thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/prospect/thesaurus/synonyms
ChicagoSmart Define. 2016. "prospect thesaurus" https://smartdefine.org/prospect/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, prospect thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/prospect/thesaurus/synonyms>.
MLASmart Define. "prospect thesaurus" 3 February 2016. Web. 30 September 2026. <https://smartdefine.org/prospect/thesaurus/synonyms>