echo chamber
noun
: a room with sound-reflecting walls used for producing hollow or echoing sound effects
—often used figuratively
Living in a kind of echo chamber of their own opinions, they pay attention to information that fits their conclusions and ignore information that does not.—James Surowiecki
Cite this Entry
“Echo chamber.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/echo%20chamber. Accessed 25 Aug. 2026.
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