78 entries under investigate topic. ×

2
beat the bushes(verb, expression, idiom, follow, examine)
2
cast about(verb, expression, check, follow, examine)
2
check(verb, study, consider, examine, look)
2
ferret(verb, check, sound, examine, look)
2
go over with a fine-tooth comb(verb, expression, idiom, study, check)
2
gun for(verb, expression, check, follow, examine)
2
inquire(verb, check, separate, follow, examine)
2
look for(verb, expression, check, follow, examine)
2
look high and low(verb, expression, idiom, check, sound)
2
look over(expression, study, check, consider, examine)
2
quest(verb, check, follow, examine, pursue)
2
root(verb, check, follow, examine, pursue)
2
scan(verb, study, clear, check, consider)
2
scout(verb, check, follow, examine, pursue)
2
scratch(verb, clear, follow, pursue, gather)
2
study(verb, check, consider, examine, look)
2
track down(verb, expression, check, follow, examine)
1
be after(verb, follow, pursue, scratch)
1
beat about(verb, expression, check, examine, look)
1
bird-dog(verb, follow, pursue, seek)
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APASmart Define. (2015). comb thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/comb/thesaurus/synonyms
ChicagoSmart Define. 2015. "comb thesaurus" https://smartdefine.org/comb/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, comb thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/comb/thesaurus/synonyms>.
MLASmart Define. "comb thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/comb/thesaurus/synonyms>