/ Thesaurus / U Synonyms of unsecured bond Find synonyms for: Noun1. unsecured bond, debenture, debenture bond, bond, bond certificateusage: the ability of a customer to obtain goods or services before payment, based on the trust that payment will be made in the futureWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language