36 entries under expression topic. ×

4
listen in(verb, phrasal verb, study, consider)
4
listening device(noun, bug, hidden microphone)
3
be all ears(verb, idiom, study, consider)
2
bend an ear(verb, idiom, bug, snoop)
1
body mike(noun, bug, investigation, monitor)
1
check over(verb, phrasal verb, study, consider)
1
check up(verb, phrasal verb, study, consider)
1
close observation(noun, bug, investigation, monitor)
1
cock the ears
1
eagle eye(noun, bug, investigation, monitor)
1
examine by ear
1
feel out(verb, phrasal verb, study, consider)
1
give audience to
1
give the once over(verb, idiom, phrasal verb, study)
1
go into(verb, phrasal verb, study, consider)
1
lend an ear
1
look into(verb, phrasal verb, study, consider)
1
look over(verb, phrasal verb, study, consider)
1
make inquiry(verb, study, consider, examine)
1
nose around(verb, phrasal verb, study, consider)
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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>