/ Thesaurus / B Synonyms of backless Find synonyms for: Adjective1. backless (vs. backed), low-cutusage: lacking a back; "a stool is a backless and armless seat"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language