195 entries under investigate topic. ×

1
put the screws to(verb, expression, idiom, check, examine)
1
rake(verb, check, examine, look, seek)
1
rifle through(verb, expression, check, examine, look)
1
run after(verb, expression, follow, pursue)
1
scoop out(expression, action, dig, probe)
1
scratch(verb, follow, pursue, seek)
1
search for(verb, expression, follow, examine, pursue)
1
shovel(action, dig, research, probe)
1
smell around(verb, expression, check, examine, look)
1
sniff out(verb, expression, follow, pursue)
1
sound(dig, penetrate, explore, research)
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, dig)
1
trace(verb, examine, look, seek, search)
1
trail(verb, examine, look, seek)
1
trowel(action, dig, research, probe)
1
try to find(verb, expression, idiom, follow, examine)
1
turn inside out(verb, expression, idiom, action, check)
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APASmart Define. (2016). inquire thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/inquire/thesaurus/synonyms
ChicagoSmart Define. 2016. "inquire thesaurus" https://smartdefine.org/inquire/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, inquire thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/inquire/thesaurus/synonyms>.
MLASmart Define. "inquire thesaurus" 17 February 2016. Web. 30 September 2026. <https://smartdefine.org/inquire/thesaurus/synonyms>