listen in

verb

listened in; listening in; listens in

intransitive verb

1
: to tune in to or monitor a broadcast
2
: to listen to a conversation without participating in it
especially : eavesdrop
listener-in
ˌli-sᵊn-ər-ˈin How to pronounce listen in (audio)
ˌlis-nər-
noun

Examples of listen in in a Sentence

it's not polite to listen in on other people's private conversations
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This kit can be had for $231, while a DuoMat pack which lets your partner listen in at the same time costs $251 at the time of writing. Abhimanyu Ghoshal, New Atlas, 16 Sep. 2025 Good customer service platforms will also use AI to listen in on conversations and provide human agents with data and prompts to quickly answer questions and resolve problems. Gene Marks, Forbes.com, 14 Sep. 2025 She wasn’t allowed in men’s spaces and would find a little messenger or a spy that would go listen in and then relay the information to her. Nellie Andreeva, Deadline, 12 Sep. 2025 No longer will anyone outside law enforcement be able to listen in to emergencies, from a major earthquake to calls about routine traffic stops, robberies, burglaries, shootings and other crimes. Jakob Rodgers, Mercury News, 31 Aug. 2025 See All Example Sentences for listen in

Word History

First Known Use

1905, in the meaning defined at sense 1

Time Traveler
The first known use of listen in was in 1905

Browse Nearby Words

Cite this Entry

“Listen in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/listen%20in. Accessed 20 Sep. 2025.

Kids Definition

listen in

verb
1
: to listen to a broadcast
2
Last Updated: - Updated example sentences
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