echo

1 of 4

noun (1)

ˈe-(ˌ)kō 

plural echoes also echos

1

a

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

b

: the sound due to such reflection

2

a

: 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

5

a

: 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

echoey

ˈe-ˌkō-ē 

adjective

echo

2 of 4

verb

echoed; echoing ˈe-(ˌ)kō-iŋ 

ˈe-kə-wiŋ

intransitive verb

1

: to resound with echoes

2

: to produce an echo

transitive verb

1

a

: 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

Echo

3 of 4

noun (2)

ˈe-(ˌ)kō 

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

Echo

4 of 4

communications code word

—used as a code word for the letter e

Synonyms

Noun (1)

• follower
• imitator
• rubber stamp

Verb

• sound
• resonate
• reverberate
• ring
• resound

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.

Recent Examples on the Web

Noun

The whole saga has echoes of what happened last year with Ter Stegen’s former team-mate Ilkay Gundogan. —Pol Ballús, New York Times, 27 June 2025

With echoes of its ground-shifting Breaking2 marathon project, Nike’s Breaking4 is building not only toward a finish line - but toward a shift in perception, visibility, and belief around women’s athletic potential. —Gillian Oakenfull, Forbes.com, 24 June 2025

Verb

Manhunt Enters Second Day (Live Updates) Change Your Gmail Password Now, Google Tells 2 Billion Users This theme is echoed in Morgan Stanley’s report, which identifies the presence of a family mission statement as the single most important predictor of long-term success across generations. —Francois Botha, Forbes.com, 15 June 2025

Families with younger children came out to join, and many echoed the need to focus and teach their kids about their rights. —Fousia Abdullahi, Fort Worth Star-Telegram, 15 June 2025

Word History

Etymology

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

First Known Use

Noun (1)

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

Verb

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

Phrases Containing echo

• echo chamber
• echo sounder

Rhymes for echo

• deco
• gecko
• derecho

Kids Definition

echo

1 of 2 noun

ˈek-ō 

plural echoes

1

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

2

a

: a repetition or imitation of another

b

: repercussion sense 2, result

environmental echoes of oil spills

3

: one who closely imitates or repeats another

echoic

i-ˈkō-ik

e-

adjective

echo

2 of 2 verb

echoed; echoing

1

: to be filled with echoes

the stadium echoed with cheers

2

: to produce an echo : send back or repeat a sound

shouts echoing off the wall

3

a

: repeat entry 1 sense 1c, imitate

echoing the teacher's words

b

: to state again in support or agreement

echoed his opinion

Medical Definition

echo

1 of 2 noun

ˈek-(ˌ)ō 

plural echoes also echos

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

echo verb

echoed; echoing ˈek-(ˌ)ō-iŋ, ˈek-ə-wiŋ 

echo

2 of 2 abbreviation

echocardiogram; echocardiography