\ 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 John noted that the child’s first name was an echo of the names for several other relatives, including his mother, Karla, and the mother of Crystal’s first husband, Carolyn Hill. People Staff, PEOPLE.com, "Remembering the Victims of the Texas Church Mass Shooting, 2 Years Later," 5 Nov. 2019 While unprecedented these days, turning the 1,000-seat Belasco into a movie house is an echo from the past. Washington Post, "Broadway theater will turn into a cinema for ‘The Irishman’," 7 Oct. 2019 While unprecedented these days, turning the 1,000-seat Belasco into a movie house is an echo from the past. San Diego Union-Tribune, "Broadway theater will turn into a cinema for ‘The Irishman’," 7 Oct. 2019 There was an echo of earlier baby booms, which increased the number of women of child-bearing age. The Economist, "A British baby boom grows up," 5 Sep. 2019 Yup, again, there must be an echo in the room, because sharpening was a feature AMD touted at its launch event for the Radeon 5700. Gordon Mah Ung, PCWorld, "Nvidia's massive Gamescom Game Ready driver improves performance, latency and sharpness," 20 Aug. 2019 The Mountain View scenario is an echo of another Tesla crash in 2016, when a Florida man was killed when his Model S hit a truck that cut across his lane. Marco Della Cava, USA TODAY, "Your fancy new car steers and brakes for you; so why keep your hands on the wheel?," 13 Apr. 2018 Yet with Mikhail, there is always the echo of exile. Elizabeth Toohey, The Christian Science Monitor, "Poet and Iraqi exile Dunya Mikhail's book 'The Beekeeper' serves as testimony for the victims of ISIS," 29 Mar. 2018 But at some point, the shutdown will end and Kashmiris will discover that Delhi has reshaped their lives in a move that carries echoes of a dark history. Naina Bajekal, Time, "India Has Taken Kashmir, But Winning the Hearts and Minds of Kashmiris Will be Harder," 8 Aug. 2019 Recent Examples on the Web: Verb And the bill also echoes language in a 2013 Supreme Court decision that said parties to a plea bargains are not insulated from future changes in the law. San Diego Union-Tribune, "Bill to block DA from demanding defendants give up future rights passes Legislature," 13 Sep. 2019 So the women of Grey Sloan Memorial Hospital line the hallways in a show of support that’s echoed in the lyrics of Ridings’ ballad. Los Angeles Times, "Your favorite TV shows’ best musical moments, explained," 11 Sep. 2019 Protest slogans echoed in housing complexes and neighborhoods across the city at 10 p.m. Wednesday, in what has become a nightly ritual. Amy Qin And, BostonGlobe.com, "As Hong Kong protesters push on, no sign of more concessions by government," 5 Sep. 2019 That, of course, is not happening, but the distrust of immigrants or foreigners is certainly echoed in this exhibit, as in current events. Daily Pilot, "New exhibit in Anaheim tells stories of O.C.-based Japanese Americans incarcerated during World War II," 5 Sep. 2019 Outrage echoed across China in response to a Dolce & Gabbana marketing video riddled with insulting stereotypes. Robin Givhan, Washington Post, "Fashion needs more powerful black voices — so Ethan Miller created a new way to help," 5 Sep. 2019 Beech echoed that message in a video posted Friday on a Kenai Peninsula Borough blog. Tegan Hanlon, Anchorage Daily News, "Groceries delayed, reservations canceled as the Swan Lake fire tangles traffic on the Sterling Highway," 31 Aug. 2019 Shine that high-energy X-ray beam onto a fragile papyrus and the photons excite the atoms, emitting echoing X-rays in response. Jennifer Ouellette, Ars Technica, "Physicists discover hidden text in what was thought to be blank Egyptian papyri," 22 Aug. 2019 In a few days, drumlines’ cadences will echo throughout stadiums and the smell of popcorn will linger. Terrence Thomas, ExpressNews.com, "What are the six biggest stories going into high school football season?," 22 Aug. 2019

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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Statistics for echo

Last Updated

13 Nov 2019

Time Traveler for echo

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

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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

Comments on echo

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a calculated move

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