/ Thesaurus / U Synonyms of unsigned Find synonyms for: Adjective1. unsigned (vs. signed)usage: lacking a signature; "the message was typewritten and unsigned"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language