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