echo

[ ek-oh ]

noun

, plural ech·oes.

1. a repetition of sound produced by the reflection of sound waves from a wall, mountain, or other obstructing surface.
2. a sound heard again near its source after being reflected.
3. any repetition or close imitation, as of the ideas or opinions of another.
4. a person who reflects or imitates another.
5. a sympathetic or identical response, as to sentiments expressed.
6. a lingering trace or effect.
7. (initial capital letter) Classical Mythology. a mountain nymph who pined away for love of the beautiful youth Narcissus until only her voice remained.
8. Cards. the play of a high card and then a low card in the suit led by one's partner as a signal to continue leading the suit, as in bridge, or to lead a trump, as in whist.
9. Electronics. the reflection of a radio wave, as in radar or the like.
10. (initial capital letter) U.S. Aerospace. one of an early series of inflatable passive communications satellites.
11. a word used in communications to represent the letter E.

verb (used without object)

, ech·oed, ech·o·ing.

1. to emit an echo; resound with an echo:

   The hall echoed with cheers.

   Synonyms: reverberate, ring

2. to be repeated by or as by an echo:

   Shouts echoed through the street.

   Synonyms: reverberate, ring

verb (used with object)

, ech·oed, ech·o·ing.

1. to repeat by or as by an echo; emit an echo of:

   The hall echoes the faintest sounds.

2. to repeat or imitate the words, sentiments, etc., of (a person).
3. to repeat or imitate (words, sentiments, etc.).

Echo

¹

/ ˈɛkəʊ /

noun

1. either of two US passive communications satellites, the first of which was launched in 1960

echo

²

/ ˈɛkəʊ /

noun

1. 1. the reflection of sound or other radiation by a reflecting medium, esp a solid object
   2. the sound so reflected
2. a repetition or imitation, esp an unoriginal reproduction of another's opinions
3. something that evokes memories, esp of a particular style or era
4. sometimes plural an effect that continues after the original cause has disappeared; repercussion

   the echoes of the French Revolution

5. a person who copies another, esp one who obsequiously agrees with another's opinions
6. 1. the signal reflected by a radar target
   2. the trace produced by such a signal on a radar screen
7. the repetition of certain sounds or syllables in a verse line
8. the quiet repetition of a musical phrase
9. Also calledecho organecho stop a manual or stop on an organ that controls a set of quiet pipes that give the illusion of sounding at a distance
10. an electronic effect in recorded music that adds vibration or resonance

verb

1. to resound or cause to resound with an echo

   the cave echoed their shouts

2. intr (of sounds) to repeat or resound by echoes; reverberate
3. tr (of persons) to repeat (words, opinions, etc), in imitation, agreement, or flattery
4. tr (of things) to resemble or imitate (another style, earlier model, etc)
5. tr (of a computer) to display (a character) on the screen of a visual display unit as a response to receiving that character from a keyboard entry

Echo

³

/ ˈɛkəʊ /

noun

1. communications code word for the letter e

Echo

⁴

/ ˈɛkəʊ /

noun

1. Greek myth a nymph who, spurned by Narcissus, pined away until only her voice remained

echo

/ ĕk′ō /

1. A repeated sound that is caused by the reflection of sound waves from a surface. The sound is heard more than once because of the time difference between the initial production of the sound waves and their return from the reflecting surface.
2. A wave that carries a signal and is reflected. Echoes of radio signals (carried by electromagnetic waves) are used in radar to detect the location or velocity of distant objects.

Derived Forms

• ˈecho-ˌlike, adjective
• ˈechoing, adjective
• ˈecholess, adjective

Other Words From

• echo·er noun
• echo·less adjective
• outecho verb (used with object) outechoed outechoing
• sub·echo noun plural subechoes
• un·echoed adjective
• un·echo·ing adjective

Word History and Origins

Origin of echo¹

First recorded in 1300–50; Middle English ecco, from Latin ēchō, from Greek, akin to ēchḗ “sound”

Word History and Origins

Origin of echo¹

C14: via Latin from Greek ēkhō; related to Greek ēkhē sound

Example Sentences

Gaetz, for his part, is echoing Trump's playbook of characterizing all accusations against him as being part of a political witch hunt.

From Salon

John Boozman, Arkansas Republican and ranking member of the Senate Agriculture Committee, echoed this point on X, formerly known as Twitter.

From Salon

LeBron James stood at midcourt early in the fourth, his hands on his hips while a faint cheer began to echo through the building.

From Los Angeles Times

But in a post on the social media platform X after the appointment announcement, the politician echoed Trump when he said at EPA he would strive for U.S. “energy dominance.”

From Science Magazine

That echoes other members of the Senate GOP caucus, including Texas’ John Cornyn and South Dakota’s Mike Rounds, and it’s more spine than some Trump allies have shown.

From Salon

Related Words

• imitation
• parallel
• reflection
• repetition
• reverberation