/ Thesaurus / H Synonyms of hardbacked Find synonyms for: Adjective1. hardbacked, hardback, hardbound, hardcover, backed (vs. backless)usage: having a hard back or cover; "hardback books"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language