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echo chamber

EK-oh chaym-ber /ˈek.əʊ ˌtʃeɪm.bər/

nounB2IELTSTOEFLSAT

journalisticsociologicalgeneral

An environment where a person encounters only information or opinions that reflect and reinforce their own, eliminating opposing perspectives.

Highlights systemic isolation where algorithms or social groups amplify confirmation bias while insulating users from dissent.

The story behind the word. Originally a technical term in audio production referring to an enclosed room designed to generate artificial acoustic echoes for broadcasting. In the late 1990s, political scientists borrowed the metaphor to describe closed communication loops where beliefs bounce back unchanged.

Word relationships

filter bubble: Focuses specifically on personalized search algorithms tailoring content.
silo: Emphasizes structural isolation between departments or political groups.

open forum: A space where diverse and opposing viewpoints are openly debated.
diverse media landscape: An environment exposing individuals to varied perspectives.

Commonly confused with

filter bubble: A filter bubble is created by technical algorithms; an echo chamber includes social and psychological self-selection.

Collocations

partisanship echo chamber
break out of an echo chamber
ideological echo chamber
social media echo chamber

Idioms & expressions

preaching to the converted
filter bubble

Example sentences

"Algorithmic recommendation engines often lock users inside an online echo chamber that reinforces radical political views." Social Media Analysis
"The CEO encouraged constructive disagreement during meetings to prevent the board room from becoming an echo chamber." Corporate Strategy

Memory hook

In an ECHO chamber, you only hear your own ECHO bounced back at you. A closed loop where your own views are repeatedly echoed.

When not to use

Do not use to describe a physical room with good audio reverberation when speaking in media or sociological contexts.

Fun facts

In early Hollywood sound stages, real physical echo chambers were built underground using concrete walls to give voices a spooky reverberation.