1 (plural echoes) a sound or sounds caused by the reflection of sound waves from a surface back to the listener:the walls threw back the echoes of his footsteps a reflected radio or radar beam. [mass noun] the deliberate introduction of reverberation into a sound recording. Linguistics the repetition in structure and content of one speaker’s utterance by another. 2a close parallel to an idea, feeling, or event:his love for her found an echo in her own feelings a characteristic that is suggestive of something else:the cheese has a sharp rich aftertaste with echoes of salty, earthy pastures 3 archaic a person who slavishly repeats the words or opinions of another: Clarendon, whom they reckoned the faithful echo of their master’s intentions 4 Bridge a play by a defender of a higher card in a suit followed by a lower one in a subsequent trick, used as a signal to request a further lead of that suit by their partner. 5a code word representing the letter E, used in radio communication.
6used in names of newspapers:the South Wales Echo 1 [no object, with adverbial] (of a sound) be repeated or reverberate after the original sound has stopped:their footsteps echoed on the metal catwalks (of a place) resound with or reflect back a sound:the house echoed with shouts [with object] repeat (someone’s words or opinions), typically to express agreement:these criticisms are echoed in a number of other studies [with direct speech]:‘A trip?’ she echoed 2 [with object] (of an object or event) be reminiscent of or have shared characteristics with:a blue suit that echoed the colour of her eyes 3 [with object] Computing send a copy of (an input signal or character) back to its source or to a screen for display: for security reasons, the password will not be echoed to the screen
4 [no object] Bridge (of a defender) play a higher card followed by a lower one in the same suit, as a signal to request one’s partner to lead that suit.