/ Thesaurus / F Synonyms of fiat money Find synonyms for: Noun1. fiat money, paper money, folding money, paper currencyusage: money that the government declares to be legal tender although it cannot be converted into standard specieWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language