/ Thesaurus / R Synonyms of renal failure Find synonyms for: Noun1. renal failure, kidney failure, kidney disease, renal disorder, nephropathy, nephrosis, failureusage: inability of the kidneys to excrete wastes and to help maintain the electrolyte balanceWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: beseech Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language