/ Thesaurus / S Synonyms of soft cover Find synonyms for: Noun1. paperback book, paper-back book, paperback, softback book, softback, soft-cover book, soft-cover, book, volumeusage: a book with paper coversWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ounterfeit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language