/ Thesaurus / C Synonyms of compact disk Find synonyms for: Noun1. compact disk, compact disc, CD, optical disk, optical disc, recordingusage: a digitally encoded recording on an optical disk that is smaller than a phonograph record; played back by a laserWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language