/ Thesaurus / E Synonyms of echo chamber Find synonyms for: Noun1. echo chamber, enclosureusage: an enclosed space for producing reverberation of a soundWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language