137 entries under investigate topic. ×

2
scrutinize(verb, study, check, sound, examine)
2
seek out(verb, expression, phrasal verb, follow, examine)
2
shake down(verb, expression, check, sound, examine)
2
show curiosity(verb, expression, examine, challenge, search)
2
sniff out(verb, expression, phrasal verb, determine, follow)
2
sound out(verb, expression, examine, challenge, search)
2
survey(verb, examine, question, search)
2
sweat it out of(verb, expression, idiom, examine, challenge)
2
test(verb, work, examine, try, discover)
2
turn inside out(verb, expression, idiom, action, check)
2
work over(verb, expression, examine, challenge, search)
1
action(noun, dig, research, probe)
1
ask about(verb, expression, examine, challenge, search)
1
beat(verb, check, examine, look, search)
1
beat the bushes(verb, expression, idiom, follow, kill)
1
bird-dog(verb, drive, follow, kill, pursue)
1
bob for(verb, expression, phrasal verb, follow, pursue)
1
burrow(verb, action, examine, try, discover)
1
chase after(verb, expression, check, examine, look)
1
check(verb, examine, look, test)
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APASmart Define. (2016). seek thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/seek/thesaurus/synonyms
ChicagoSmart Define. 2016. "seek thesaurus" https://smartdefine.org/seek/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, seek thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/seek/thesaurus/synonyms>.
MLASmart Define. "seek thesaurus" 1 April 2016. Web. 30 September 2026. <https://smartdefine.org/seek/thesaurus/synonyms>