18 entries under idiom topic. ×

4
be all ears(verb, expression, study, consider)
2
bend an ear(verb, expression, bug, snoop)
1
cock the ears
1
examine by ear
1
give a ring
1
give audience to
1
give the once over(verb, expression, phrasal verb, study)
1
hold the phone
1
lend an ear
1
make a call
1
put to the test(verb, expression, study, consider)
1
sit in on
1
tune in on(verb, expression, bug, poke)
0
get an earful(expression, hear, eavesdrop, earwig)
0
get wind of(expression, hear, eavesdrop, earwig)
0
give an audience to(expression, hear, eavesdrop, earwig)
0
keep under surveillance(verb, expression, tap)
0
listen in on(verb, expression, bug, monitor)
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APASmart Define. (2015). listen in thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/listen_in/thesaurus/synonyms
ChicagoSmart Define. 2015. "listen in thesaurus" https://smartdefine.org/listen_in/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, listen in thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/listen_in/thesaurus/synonyms>.
MLASmart Define. "listen in thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/listen_in/thesaurus/synonyms>