/ Thesaurus / W Synonyms of water sapphire Find synonyms for: Noun1. water sapphire, cordierite, transparent gemusage: a deep blue cordierite often used as a gemstoneWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language