/ Thesaurus / U Synonyms of ultramarine blue Find synonyms for: Noun1. ultramarine, ultramarine blue, pigmentusage: blue pigment made of powdered lapis lazuliWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language