1
: of or relating to acoustic, mechanical, or electrical frequencies corresponding to normally audible sound waves which are of frequencies approximately from 15 to 20,000 hertz
2
a
: of or relating to sound or its reproduction and especially high-fidelity reproduction
b
: relating to or used in the transmission or reception of sound compare video
c
: of, relating to, or utilizing recorded sound
1
: an audio signal
broadly
: sound entry 1
2
: the section of television or motion-picture equipment that deals with sound
3
: the transmission, reception, or reproduction of sound
1
: hearing
audiometer
2
: sound
audiophile
3
: auditory and
audiovisual
Examples of audio in a Sentence
Adjective
The audio portion of the broadcast was fine but the picture was poor.
They listened to an audio recording of the speech.
Noun
The picture was clear but the audio was very poor.
Recent Examples on the Web
Danielle Chemtob, Forbes.com, 3 June 2025
Now, an audio transcript released by the National Transportation Safety Board (NTSB) is offering an inside look at the communications that occurred moments before, during and after the collision.
—Abigail Adams, People.com, 3 June 2025
Jeremy Diamond, CNN Money, 4 June 2025
Rivera then ran behind the van where he could not be seen by the dashcam, but the audio is clear.
—Nathan Solis, Los Angeles Times, 3 June 2025
See All Example Sentences for audio
Examples are automatically compiled from online sources to
show current usage.
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Adjective
The update will expand the platform’s direct messaging function, which Musk says will include encryption, file sharing, vanishing messages and audio or visual phone calls that can be made without a phone number.
—Danielle Chemtob, Forbes.com, 3 June 2025
Now, an audio transcript released by the National Transportation Safety Board (NTSB) is offering an inside look at the communications that occurred moments before, during and after the collision.
—Abigail Adams, People.com, 3 June 2025
Noun
In the video, which has no audio, crowds can be seen running in another direction nearby.
—Jeremy Diamond, CNN Money, 4 June 2025
Rivera then ran behind the van where he could not be seen by the dashcam, but the audio is clear.
—Nathan Solis, Los Angeles Times, 3 June 2025
See All Example Sentences for audio
Cite this Entry
“Audio.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/audio. Accessed 8 Jun. 2025.
Copy CitationKids Definition
audio
1 of 3 adjective
au·dio
ˈȯd-ē-ˌō 
1
: of or relating to electrical or other frequencies occurring in the range of sound waves that can be heard
2
a
: of or relating to sound or its reproduction and especially accurate reproduction
bought new audio equipment
b
: relating to or used in sending or receiving sound compare video entry 2 sense 1
audio
2 of 3 noun1
: the sending, receiving, or reproducing of sound
2
: the part of television or motion-picture equipment that deals with sound
audio-
3 of 3 combining form1
: hearing
audiometer
2
: sound
audiophile
3
: auditory and
audiovisual
Etymology
Combining form
derived from Latin audire "to hear"
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