97 entries under investigate topic. ×

1
dragnet(verb, follow, pursue, seek)
1
enquire(verb, examine, challenge, seek, search)
1
fish for(verb, expression, follow, examine, pursue)
1
be after(verb, follow, pursue, seek)
1
be on the lookout(verb, examine, look, seek, search)
1
beat(noun, verb, check, drive, trip)
1
beat the bushes(verb, expression, idiom, follow, pursue)
1
bird-dog(verb, follow, discover, pursue)
1
bob for(verb, expression, follow, pursue)
1
chase after(verb, expression, phrasal verb, check, examine)
1
check(noun, verb, examine, review, look)
1
delve(verb, follow, examine, pursue, look)
1
drag(verb, examine, look, seek)
1
fan(verb, follow, pursue, seek)
1
ferret(verb, check, examine, look, seek)
1
fish(verb, follow, pursue, seek)
1
go in quest of(verb, expression, idiom, check, examine)
1
go over with a fine-tooth comb(verb, expression, idiom, check, examine)
1
grub(verb, check, examine, look, seek)
1
inspect(verb, check, examine, look, seek)
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APASmart Define. (2016). quest thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/quest/thesaurus/synonyms
ChicagoSmart Define. 2016. "quest thesaurus" https://smartdefine.org/quest/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, quest thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/quest/thesaurus/synonyms>.
MLASmart Define. "quest thesaurus" 1 April 2016. Web. 28 September 2026. <https://smartdefine.org/quest/thesaurus/synonyms>