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.
Anyone who has listened in on advisory meetings for treatments for rare diseases like ALS or Duchenne muscular dystrophy will tell you that parent and patient testimonials can be gut-wrenching. Lisa Jarvis, Twin Cities, 18 May 2025 The suit alleged that accidental Siri activations enabled the digital assistant to listen in on private conversations. Jade Walker, CNN Money, 15 May 2025 In 2019 Mobile cybersecurity company Wandera conducted a series of experiments to understand how your smartphone could be consistently listening in to your private conversations. New Atlas, 24 Apr. 2025 His mentor, Judd Apatow, had invited him to listen in on a notes call with the network. Michael Schulman, New Yorker, 7 Apr. 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 27 May. 2025.

Kids Definition

listen in

verb
1
: to listen to a broadcast
2
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!