/ Thesaurus / S Synonyms of sinking fund Find synonyms for: Noun1. sinking fund, fund, monetary fundusage: a fund accumulated regularly in a separate account and used to redeem debt securitiesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language