\ ˈe-(ˌ)kō How to pronounce echo (audio) \
plural echoes also echos

Definition of echo

 (Entry 1 of 4)

1a : the repetition of a sound caused by reflection of sound waves
b : the sound due to such reflection
2a : a repetition or imitation of another : reflection
3 : one who closely imitates or repeats another's words, ideas, or acts
4 : a soft repetition of a musical phrase
5a : the repetition of a received radio signal due especially to reflection of part of the wave from an ionized layer of the atmosphere
b(1) : the reflection of transmitted radar signals by an object
(2) : the visual indication of this reflection on a radarscope


echoed; echoing\ ˈe-​(ˌ)kō-​iŋ How to pronounce echoing (audio) , ˈe-​kə-​wiŋ \

Definition of echo (Entry 2 of 4)

intransitive verb

1 : to resound with echoes
2 : to produce an echo

transitive verb

1a : repeat, imitate children echoing their teacher's words
b : to restate in support or agreement his successor echoed his opinion
c : to be reminiscent of : evoke music that echoes an earlier time
2 : to send back (a sound) by the reflection of sound waves
\ ˈe-(ˌ)kō How to pronounce Echo (audio) \

Definition of Echo (Entry 3 of 4)

: a nymph in Greek mythology who pines away for love of Narcissus until nothing is left of her but her voice


communications code word

Definition of Echo (Entry 4 of 4)

used as a code word for the letter e

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Other Words from echo

Noun (1)

echoey \ ˈe-​ˌkō-​ē How to pronounce echoey (audio) \ adjective

Examples of echo in a Sentence

Noun (1) We shouted into the canyon and listened to the echo of our voices. the echo of footsteps in the hall His work contains echoes of older and greater poets. The book's title is an echo of a line from an old folk song. The crime is a chilling echo of the murders that shocked the city two years ago. Verb The music echoed through the church. Laughter echoed across the lake. Their voices echoed in the hall. His warnings are echoed by many other experts in the field. “It's in Rome.” “In Rome?” she echoed. Others have echoed her criticisms. The book's title echoes a line from an old folk song. The crime echoes last year's shocking murders.
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Recent Examples on the Web: Noun Throughout the gallery, sounds of protest echo through speakers. Los Angeles Times, "How a South L.A. gallery is turning Black Lives Matter protest signs into art," 2 July 2020 Users can also add posts written by others to their own feed via a function called echo, like Twitter's retweet feature. Aaron Pressman, Fortune, "Parler is the new Twitter for conservatives. Here’s what you need to know," 29 June 2020 Calls for police reform across the country echo protests that took place in Chicago after the death of Laquan McDonald more than five years ago. CBS News, "Chicago police reforms reduce use of force, but there's "still a culture of denial and impunity," attorney says," 24 June 2020 In echo, the new music released this month that’s finding true purchase are those songs that speak to feelings of anger, healing, frustration, intensity. Raisa Bruner, Time, "The Best New Songs of June 2020, from Run the Jewels to Beyoncé," 23 June 2020 The township election that Lexington has just voted in also featured a jumbled echo of this politics. The Economist, "Growing your own food America rediscovers the joys of vegetable-growing," 20 June 2020 This year's celebration came as Black Lives Matter protests in Phoenix and across the nation echo frustration over Black disenfranchisement for 400 years. Dana Scott, azcentral, "Diamondbacks honoring Juneteenth reflects Arizona's history of racial diversity in baseball," 19 June 2020 Recommendation engines, like the one TikTok uses, have also helped power its Silicon Valley competitors—and over the years, their algorithms have been faulted for amplifying hateful ideologies and creating echo chambers. Louise Matsakis, Wired, "Tiktok Finally Explains How the ‘For You’ Algorithm Works," 18 June 2020 These take the form of Runners, the standard zombie, Clickers, the very blind, but very lethal echo-locators and more. Benjamin Levin, CNN Underscored, "The Last of Us Part II left us amazed, yet despondent," 15 June 2020 Recent Examples on the Web: Verb Peltier said DeWine's guidelines echo the academy's guidelines and are endorsed by the Ohio chapter of the American Academy of Pediatrics as well as all of the state's children's hospitals. Max Londberg, The Enquirer, "'Kids need to get back into the school building': DeWine issues guide for return to school," 2 July 2020 The governor's words echo reports from several parts of the state where health officials attributed a number of new cases to family gatherings. Christina Maxouris, CNN, "California reports more than 7,000 new coronavirus cases in a day, breaking its daily record again," 25 June 2020 Deng’s comments echo remarks by Hong Kong Justice Secretary Teresa Cheng, who said in a blog post Sunday that the Hong Kong Special Administrative Region’s Common Law legal system had much in common with China’s system. Fortune, "Hong Kong security laws may not be retroactive, Chinese official says," 15 June 2020 Variations of chants calling out racist police echo through the crowd. Eric D. Lawrence, Detroit Free Press, "Detroit protests, Day 8: Evening ends with a birthday wish for Breonna Taylor," 5 June 2020 In 2017, Elaine Duke, the acting secretary of homeland security at the time, reportedly resisted pressure from the White House to echo their anti-immigrant views when ending DACA. Matt Ford, The New Republic, "Trump’s Ineptitude Keeps Dream Alive for DACA Recipients," 18 June 2020 Centuries later, James Joyce would pen the novel Ulysses, which follows protagonist Leopold Bloom, an everyman whose everyday wanderings around Dublin echo Homer’s Odyssey. Kieran Dodds, National Geographic, "What’s the secret behind Dublin’s storytelling magic?," 16 June 2020 Those contentions echo claims in a separate lawsuit General Motors filed against FCA, where GM said FCA got an unfair advantage through corrupt bargaining and FCA denied the allegations. Eric D. Lawrence, Detroit Free Press, "U.S. attorney, UAW president set meeting to root out corruption," 15 June 2020 Within days, state supreme courts and chief justices around the country began to echo Chief Justice Beasley’s call, issuing their own statements. WSJ, "Coverage of the Unrest Sparked by George Floyd’s Killing," 13 June 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'echo.' 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 echo

Noun (1)

14th century, in the meaning defined at sense 1a


1596, in the meaning defined at intransitive sense 1

Noun (2)

1595, in the meaning defined above

Communications code word

1952, in the meaning defined above

History and Etymology for echo

Noun (1)

Middle English ecco, from Middle French & Latin; Middle French echo, from Latin, from Greek ēchō; akin to Latin vagire to wail, Greek ēchē sound

Noun (2)

Greek Ēchō

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Time Traveler for echo

Time Traveler

The first known use of echo was in the 14th century

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Statistics for echo

Last Updated

7 Jul 2020

Cite this Entry

“Echo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/echo. Accessed 13 Jul. 2020.

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More Definitions for echo


How to pronounce Echo (audio)

English Language Learners Definition of echo

 (Entry 1 of 2)

: a sound that is a copy of another sound and that is produced when sound waves bounce off a surface (such as a wall)
: something (such as a feature or quality) that repeats or resembles something else
: something that is similar to something that happened or existed before



English Language Learners Definition of echo (Entry 2 of 2)

: to be filled with sounds and especially with echoes
: to fill a space, area, etc., with sounds and especially with echoes
: to repeat (what someone else has said or written)


\ ˈe-kō How to pronounce echo (audio) \
plural echoes

Kids Definition of echo

 (Entry 1 of 2)

: the repetition of a sound caused by the reflection of sound waves


echoed; echoing

Kids Definition of echo (Entry 2 of 2)

1 : to send back or repeat a sound
2 : to repeat another's words


\ ˈek-(ˌ)ō How to pronounce echo (audio) \
plural echoes also echos

Medical Definition of echo

 (Entry 1 of 2)

1 : the repetition of a sound that is caused by reflection of sound waves
2 : the sound that is due to reflection of sound waves

Other Words from echo

echo verb echoed; echoing\ ˈek-​(ˌ)ō-​iŋ, ˈek-​ə-​wiŋ How to pronounce echoing (audio) \

Medical Definition of echo (Entry 2 of 2)

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More from Merriam-Webster on echo

Thesaurus: All synonyms and antonyms for echo

Rhyming Dictionary: Words that rhyme with echo

Spanish Central: Translation of echo

Nglish: Translation of echo for Spanish Speakers

Britannica English: Translation of echo for Arabic Speakers

Britannica.com: Encyclopedia article about echo

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