/ Thesaurus / S Synonyms of soft coal Find synonyms for: Noun1. bituminous coal, soft coal, coalusage: rich in tarry hydrocarbons; burns readily with a smoky yellow flameWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language