/ Thesaurus / H Synonyms of hard coal Find synonyms for: Noun1. anthracite, anthracite coal, hard coal, coalusage: a hard natural coal that burns slowly and gives intense heatWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: aversion Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language