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n. pl. ech·oes
a. Repetition of a sound by reflection of sound waves from a surface.
b. The sound produced in this manner.
2. A repetition or an imitation: a fashion that is an echo of an earlier style.
3. A remnant or vestige: found echoes of past civilizations while examining artifacts in the Middle East.
4. One who imitates another, as in opinions, speech, or dress.
5. A sympathetic response: Their demand for justice found an echo in communities across the nation.
6. A consequence or repercussion: Her resignation had echoes throughout the department.
7. Repetition of certain sounds or syllables in poetry, as in echo verse.
8. Music Soft repetition of a note or phrase.
9. Electronics A reflected wave received by a radio or radar.
10. An echocardiogram.
v. ech·oed, ech·o·ing, ech·oes
1. To repeat (a sound) by the reflection of sound waves from a surface.
2. To repeat or imitate: followers echoing the cries of their leader; events that echoed a previous incident in history.
1. To be repeated by or as if by an echo: The shout echoed off the wall. The speaker's words echoed in her mind.
2. To resound with or as if with an echo; reverberate: rooms echoing with laughter.

[Middle English, from Old French, from Latin ēchō, from Greek ēkhō.]

ech′o·er n.
ech′o·ey adj.
Synonyms: echo, reflect, resound, reverberate
These verbs mean to be repeated by the reflection of sound waves: a cry that echoed through the canyon; traffic noise reflecting off the buildings; a loud hammering that resounded through the tunnel; a final chord that reverberated in the concert hall.


n. Greek Mythology
A nymph whose unrequited love for Narcissus caused her to pine away until only her voice remained.


having or producing an echo or repeated sound
References in periodicals archive ?
They're on telly, playing for a lifechanging amount of money, under bright lights, with dramatic music, a live audience and intense, echoey heartbeat sound effects.
For two echoey minutes, the sound of two radio news bulletins being played at exactly the same time made the Zetland FM airwaves seem almost ethereal.
Having given Brentford a two-goal first-half headstart not the three Bristol City were granted Sunderland threatened more after their halftime changes but there was still a flatness about them in the echoey Stadium of Light.
There were regular pitch-side interviews but the stadium was so echoey it hard to make them out.
Two things to watch here - they are not sound absorbent in the way curtains are and rooms can feel very echoey and not relaxing.
Her voice is as beautiful as ever, nailing that echoey soul sound, but overall it's a bit committee-built.
When you watch the camera footage, this looks okay because the slight lag and echoey sound reflects our experience in the real world, whereby distant sound takes time to travel and gains a lot of reverberation.
Dreams on Demand shows that, at their heart, they are a great pop band with a great knack for a melody despite the echoey voice, laser-guided guitar and simple beat.
We recalled the long hallways of our boarding school, the echoey gym, our room that we shared with a jerk named Michael.
on his solo, Echoey arpeggios slam into rock riffs.
It's just a big, echoey room that sounds great in theory but is actually like living in an aircraft hangar.