1 [intransitive]C if a sound echoes, you hear it again because it was made near something such as a wall or hill :
The sound of an engine echoed back from the thick forest.
The sound of an engine echoed back from the thick forest.2 [intransitive] if a place echoes, it is filled with sounds that are repeated or are similar to each other
3 [transitive] literary to repeat what someone else has just said :
'You bet,' she said, echoing his words.
'You bet,' she said, echoing his words.4 [transitive] to repeat an idea or opinion because you agree with it :
The article simply echoed the NRA's arguments against gun control.
The article simply echoed the NRA's arguments against gun control.