/ Thesaurus / T Synonyms of treasury bill Find synonyms for: Noun1. Treasury bill, T-bill, Treasury, Treasury obligationsusage: a short-term obligation that is not interest-bearing (it is purchased at a discount); can be traded on a discount basis for 91 daysWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ravenous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language