au·​dio | \ˈȯ-dē-ˌō \

Definition of audio 

(Entry 1 of 3)

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

2a : 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



Definition of audio (Entry 2 of 3)

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

Definition of audio- (Entry 3 of 3)

1 : hearing audiometer

2 : sound audiophile

3 : auditory and audiovisual

Examples of audio in a Sentence


The audio portion of the broadcast was fine but the picture was poor. They listened to an audio recording of the speech.


The picture was clear but the audio was very poor.
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Recent Examples on the Web: Adjective

McCann explains: Such a concern was documented in audio recordings of owners during an October 2017 meeting that centered on Kaepernick and the national anthem. P.r. Lockhart, Vox, "Colin Kaepernick’s collusion grievance against the NFL, explained," 6 Sep. 2018 In audio recordings released over the internet, Russell can be heard chatting in an upbeat, enthusiastic tone with the air traffic controllers trying to talk him down. Jeff Wise, Popular Mechanics, "It's Troublingly Common for Ground Crew Members To Steal Planes," 13 Aug. 2018 The audio recordings were obtained from Broadcastify. Ruth Brown, idahostatesman, "The man accused of killing toddler, stabbing 8 refugees, was arrested just 2 months ago," 2 July 2018 Maybe have your teen record a video or a series of audio recordings, or perhaps even start his or her own podcast. Jennifer Winward, Anchorage Daily News, "Five old-school skills that kids should learn from their grandparents instead of YouTube," 26 June 2018 Video footage of children being housed behind chain-link enclosures and audio recordings of crying children pleading for their relatives have prompted a bipartisan backlash against the policy. David Owens,, "Malloy Offers Feds Assistance In Reuniting Families Affected By 'Zero-Tolerance' Policy At Border," 23 June 2018 But over the last weeks, images and audio recordings coming out of America have looked and felt a lot like Gilead. Sophie Gilbert, The Atlantic, "Gilead in America," 20 June 2018 The policy became public in the following weeks and even audio recordings of immigrant children crying out for their parents was played on the Senate floor in Washington to inspire legislative action. Thomas Novelly, The Courier-Journal, "Some governors pulled National Guard from the border. Not Kentucky.," 20 June 2018 On Monday, news organizations published audio recordings of 10 children who have been separated from their parents by immigration authorities. Frank Witsil, Detroit Free Press, "Experts: Immigrant kids torn from families face lifetime of damage," 19 June 2018

Recent Examples on the Web: Noun

What actually happened to him is still unknown, but the Wall Street Journal reported that, per Turkish sources and an audio recording, Khashoggi was drugged and murdered in the consulate in the presence of a top Saudi official. Vox Staff, Vox, "Saudi journalist Jamal Khashoggi disappears in Turkey," 11 Oct. 2018 But how tone deaf is Facebook to launch a video- and audio-recording device the same year as its numerous privacy crises? Recode Staff, Recode, "Recode Daily: Why Google is shutting down Google+, Facebook’s tone-deaf camera device," 9 Oct. 2018 Check out his dramatic entrance here (sorry, no audio): Turner, for her part, went as an elephant in a comfy onesie. Krystin Arneson, Glamour, "Joe Jonas Dressed Up as Fiancée Sophie Turner's Game of Thrones Character for Halloween," 28 Oct. 2018 The audio clip puzzled many who heard it, and sparked its fair share of disagreements for people who heard one of the above words instead of the other. Megan Stein, Country Living, "'NCIS' Just Reignited This Year's Biggest Controversy and Fans Have a Lot to Say," 24 Oct. 2018 From their headquarters in an administration building (red star), LPS’s security team can view live video and audio, see which doors are locked or open, and remotely trigger lockdown alarms for any school. Lara Sorokanich, Popular Mechanics, "What Littleton Learned," 1 Aug. 2018 The 50-second audio clip was released by Brian Kemp’s campaign on July 9. Kaitlyn Schallhorn, Fox News, "Georgia Republican governor candidate says primary was race for 'who could be the craziest'," 10 July 2018 But out of the box, even the best phones have crappy lighting, miserable audio, and footage that bounces around like the operator’s being kidnapped. Matt Jancer, Outside Online, "Turn Your Phone into a Pro Adventure Movie Maker," 11 June 2018 Dispatch audio of the first dispatch call and when police officers enter Santa Fe High School during the school shooting. Matthew Martinez, star-telegram, "Black 8th-graders at Texas school all received the same racist, threatening texts | Fort Worth Star-Telegram," 23 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'audio.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of audio


1907, in the meaning defined at sense 1


1926, in the meaning defined at sense 1

History and Etymology for audio



Combining form

Latin audire to hear — more at audible

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Statistics for audio

Last Updated

1 Dec 2018

Look-up Popularity

Time Traveler for audio

The first known use of audio was in 1907

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More Definitions for audio



English Language Learners Definition of audio

 (Entry 1 of 3)

: of or relating to the sound that is heard on a recording or broadcast



English Language Learners Definition of audio (Entry 2 of 3)

: the sound that is heard on a recording or broadcast

English Language Learners Definition of audio- (Entry 3 of 3)

: relating to hearing or sound


au·​dio | \ˈȯ-dē-ˌō \

Kids Definition of audio

 (Entry 1 of 2)

1 : of or relating to sound or its reproduction

2 : relating to or used in the transmitting or receiving of sound (as in radio or television)



Kids Definition of audio (Entry 2 of 2)

1 : the transmitting, receiving, or reproducing of sound

2 : the section of television equipment that deals with sound

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More from Merriam-Webster on audio

Rhyming Dictionary: Words that rhyme with audio

Spanish Central: Translation of audio

Nglish: Translation of audio for Spanish Speakers

Britannica English: Translation of audio for Arabic Speakers

Comments on audio

What made you want to look up audio? Please tell us where you read or heard it (including the quote, if possible).


to move with a clumsy heavy tread

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