96 entries under probe topic. ×

1
jump into(expression, action, dig, burrow)
1
perlustrate(verb, study, check, consider, examine)
1
put out a feeler(verb, expression, idiom, examine, test)
1
put under a microscope(expression, idiom, study, check, consider)
1
scoop out(verb, expression, action, turn, produce)
1
shovel(verb, action, turn, produce, clean)
1
smoke(verb, study, check, consider, examine)
1
spade(verb, action, turn, produce, clean)
1
stare(verb, study, check, consider, examine)
1
take the measure of(expression, idiom, study, check, consider)
1
test the waters(verb, expression, idiom, examine, request)
1
trowel(action, dig, research, burrow)
1
turn inside out(verb, expression, idiom, action, check)
1
unearth(verb, action, study, get, determine)
1
watch(verb, study, check, consider, observe)
0
action(dig, research, burrow, inquire)
10 years ago|22k views|share |citing 
APASmart Define. (2016). investigate thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/investigate/thesaurus/synonyms
ChicagoSmart Define. 2016. "investigate thesaurus" https://smartdefine.org/investigate/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, investigate thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/investigate/thesaurus/synonyms>.
MLASmart Define. "investigate thesaurus" 17 February 2016. Web. 28 September 2026. <https://smartdefine.org/investigate/thesaurus/synonyms>