/ Thesaurus / D Synonyms of deep red Find synonyms for: Noun1. crimson, ruby, deep red, red, rednessusage: a deep and vivid red colorWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: heifer Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language