/ Thesaurus / R Synonyms of road metal Find synonyms for: Noun1. road metal, rock, stoneusage: broken rock used for repairing or making roadsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language