/ Thesaurus / C Synonyms of coral reef Find synonyms for: Noun1. coral reef, reefusage: a reef consisting of coral consolidated into limestoneWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language