/ Thesaurus / G Synonyms of gray blue Find synonyms for: Adjective1. grey-blue, gray-blue, greyish-blue, grayish-blue, chromatic (vs. achromatic)usage: of blue tinged with greyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: fortuitous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language