85 entries under investigate topic. ×

4
root(verb, check, follow, examine, pursue)
4
turn inside out(verb, expression, idiom, action, beat)
3
beat(verb, check, examine, look, seek)
3
dig(verb, action, clear, uncover)
3
leave no stone unturned(verb, expression, idiom, action, check)
2
beat the bushes(verb, expression, idiom, follow, examine)
2
cast about(verb, expression, check, follow, examine)
2
ferret(verb, check, turn, examine, look)
2
ferret out(verb, expression, action, beat, follow)
2
fish for(verb, expression, follow, examine, pursue)
2
gun for(expression, check, follow, examine, pursue)
2
inquire(verb, action, check, follow, examine)
2
look(verb, check, examine, seek, search)
2
look high and low(verb, expression, idiom, check, turn)
2
nose(verb, follow, pursue, search)
2
prowl(verb, follow, examine, pursue, look)
2
quest(verb, check, follow, examine, pursue)
2
scout(verb, check, follow, examine, pursue)
2
search for(verb, expression, phrasal verb, follow, examine)
2
sift(verb, action, check, examine, look)
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APASmart Define. (2015). ransack thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/ransack/thesaurus/synonyms
ChicagoSmart Define. 2015. "ransack thesaurus" https://smartdefine.org/ransack/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, ransack thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/ransack/thesaurus/synonyms>.
MLASmart Define. "ransack thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/ransack/thesaurus/synonyms>