1
investigation(noun, scrutiny, shadowing)
1
lend an ear(expression, idiom)
1
listen at
1
listen to
1
look-see(verb, study, consider, examine, review)
1
look into(verb, expression, phrasal verb, study, consider)
1
look over(verb, expression, phrasal verb, study, consider)
1
lookout(noun, bug, scrutiny, investigation, monitor)
1
make inquiry(verb, expression, study, consider, examine)
1
military intelligence
1
monitor(noun, verb, bug, spy, tap)
1
muckrake(verb, study, consider, examine, review)
1
nose around(verb, expression, phrasal verb, study, consider)
1
peeled eye(noun, expression, bug, investigation, monitor)
1
pester
1
pink
1
probe(verb, study, consider, examine, review)
1
prospect(verb, study, consider, examine, review)
1
put to the test(verb, expression, idiom, study, consider)
1
question(verb, study, consider, examine, review)
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APASmart Define. (2015). wiretap thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/wiretap/thesaurus/synonyms
ChicagoSmart Define. 2015. "wiretap thesaurus" https://smartdefine.org/wiretap/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, wiretap thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/wiretap/thesaurus/synonyms>.
MLASmart Define. "wiretap thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/wiretap/thesaurus/synonyms>