/ Thesaurus / Q Synonyms of quadrisonic Find synonyms for: Adjective1. quadraphonic, quadriphonic, quadrasonic, quadrisonicusage: of or relating to quadraphony; "his quadraphonic sound system"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language