Dictionary.com

echo

[ ek-oh ]
/ 藞蓻k o蕣 /
Save This Word!
See synonyms for: echo / echoed / echoes / echoing on Thesaurus.com

noun, plural ech路oes.
verb (used without object), ech路oed, ech路o路ing.
to emit an echo; resound with an echo: The hall echoed with cheers.
to be repeated by or as by an echo: Shouts echoed through the street.
verb (used with object), ech路oed, ech路o路ing.
QUIZ
CUDDLE UP! A COZY QUIZ ON FALL WORDS HAS ARRIVED
If autumn is your ideal season, spice up your repertoire of "fall" vocabulary with this quiz on some warm and vivid descriptive words for the season.
Question 1 of 10
Which of the following words means 鈥渢o make a crackling sound; crackle鈥?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of echo

1300鈥50; Middle English ecco<Latin 膿ch艒<Greek, akin to 膿ch岣 sound

OTHER WORDS FROM echo

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2021

How to use echo in a sentence

British Dictionary definitions for echo (1 of 4)

echo
/ (藞蓻k蓹蕣) /

noun plural -oes
verb -oes, -oing or -oed

Derived forms of echo

echoing, adjectiveecholess, adjectiveecho-like, adjective

Word Origin for echo

C14: via Latin from Greek 膿kh艒; related to Greek 膿kh膿 sound

British Dictionary definitions for echo (2 of 4)

Echo1
/ (藞蓻k蓹蕣) /

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

British Dictionary definitions for echo (3 of 4)

Echo2
/ (藞蓻k蓹蕣) /

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

British Dictionary definitions for echo (4 of 4)

Echo3
/ (藞蓻k蓹蕣) /

noun
communications code word for the letter e
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for echo

echo
[ 臅k艒 ]

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.
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.
The American Heritage庐 Science Dictionary Copyright 漏 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK