/ Thesaurus / D Synonyms of discount rate Find synonyms for: Noun1. discount rate, interest rate, rate of interestusage: the rate of interest set by the Federal Reserve that member banks are charged when they borrow money through the Federal Reserve System2. discount rate, discount, bank discount, interest rate, rate of interestusage: interest on an annual basis deducted in advance on a loanWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: malady Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language