noun (1)
\ˈe-(ˌ)kō \
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

b : repercussion, result

c : trace, vestige

d : response

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, 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


noun (2)
\ˈe-(ˌ)kō \

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 \ adjective

Synonyms for echo

Synonyms: Noun (1)

ghost, relic, shadow, trace, vestige

Synonyms: Verb

reecho, resonate, resound, reverberate, sound

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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.


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

The club persevered, reassured by medical assessments that suggested Alisson would fill out — a dim echo of the growth issues faced by Messi early in his career. Rory Smith, New York Times, "An Oxymoron No More: The Great Brazilian Goalkeeper," 21 June 2018 There are echoes of Germany's route to an improbable final in 2002., "Panic Stations: We Need to Talk About England's Knockout Record Before It Comes Home on July 15," 2 July 2018 There are also regional echoes: Mexico is one of the few countries in Latin America that hasn’t had a leftist government in recent decades. Nacha Cattan,, "Mexico Heads to Polls With Leftist on Brink of Historic Victory," 1 July 2018 In some ways, this moment is an echo of the Zack Greinke trade, which was built around Lorenzo Cain and Alcides Escobar. Sam Mellinger, kansascity, "Explaining — not endorsing — what the Royals are doing in rebuilding the franchise," 20 June 2018 Even if doctors continue to grow less prescription-happy, the echoes of the opioid addiction crisis will last for years. Lucas Laursen, Fortune, "U.S. Insurers Say the Opioid Crisis Might Be Declining," 12 July 2018 The echoes to the privacy morass of 2018 are, not surprisingly, fully intentional. Brian Barrett, WIRED, "Westworld’s Real Villain Has Always Been Its Privacy Policy," 24 June 2018 Priest's philosophical debate with Eddie has been eliminated, though echoes of it reverberate through the hero's amoral voice-over narration. J.r. Jones, Chicago Reader, "Superfly rolls back the clock on African-American movie heroes," 21 June 2018 When Trump sits down with Kim, the echoes of the Korean War will be all around them. David Jackson, USA TODAY, "Donald Trump and Kim Jong Un: Still fighting the Korean War," 5 June 2018

Recent Examples on the Web: Verb

Polly Trottenberg, the city’s transportation commissioner, echoed the idea that a public space like a plaza needs to be looked after. James Barron, New York Times, "Lounge in Them. Dash Through Them. But Don’t Call Them Parks.," 13 July 2018 But Coats has not echoed Trumps’ view of the world. Maureen Groppe, Indianapolis Star, "Unlike Trump, Dan Coats doesn't shy from calling out Russia," 13 July 2018 Smith, who has spent hours on the greens with Menne, echoed that. Katherine Fitzgerald, azcentral, "Xavier Prep's Ashley Menne is the next big thing to hit Arizona high school athletics," 12 July 2018 Across the room, takeaway meals by Daily Dose service the fitness-minded neighbors (SoulCycle on one side, Equinox on the other) and also echo how Kunin got her start in the health industry. Laura Regensdorf, Vogue, "Meet the NYC Detox Shop Where Cryotherapy and CBD-Infused Smoothies Are on the Menu," 11 July 2018 In this era, plenty of people echo Arthur’s assertion, that free hours become a waste of time. Livia Gershon, Longreads, "Clocking Out," 11 July 2018 Recent moves from the port echo San Diego’s historical efforts to become the first port of call for the United States after the construction of the Panama Canal. Phillip Molnar,, "Port of San Diego lands large liner contract," 9 July 2018 Her sentiments echo family traditions stretching back over many decades. The Aegis, "Our next generation [Editorial]," 6 July 2018 But students echo its conclusions, especially in big disciplines like economics. The Economist, "London has excellent universities—but unhappy students," 5 July 2018

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

16 Oct 2018

Look-up Popularity

Time Traveler for echo

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

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More Definitions for echo



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 \
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 \
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 \

Medical Definition of echo (Entry 2 of 2)

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Comments on echo

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


a state of commotion or excitement

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