137 entries under investigate topic. ×

1
check out(expression, examine, search, inspect)
1
delve into(verb, expression, study, examine, try)
1
dragnet(verb, follow, pursue, look)
1
dredge(action, dig, research, probe)
1
excavate(action, dig, uncover, probe)
1
frisk(verb, check, examine, look)
1
go in quest of(verb, expression, idiom, check, examine)
1
go into(verb, expression, action, examine, try)
1
grope(verb, check, examine, look, search)
1
grub(verb, check, examine, look, search)
1
inspect(verb, check, examine, try, discover)
1
look about(verb, expression, phrasal verb, follow, pursue)
1
look over(verb, expression, check, examine, look)
1
poke into(verb, expression, check, examine, look)
1
rifle through(verb, expression, check, examine, look)
1
shovel(action, dig, research, probe)
1
smell around(verb, expression, check, examine, look)
1
spade(action, dig, research, probe)
1
trowel(action, dig, research, probe)
1
turn upside down(verb, expression, idiom, check, examine)
10 years ago|22k views|share |citing 
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>