/ Thesaurus / R Synonyms of renal insufficiency Find synonyms for: Noun1. renal insufficiency, kidney disease, renal disorder, nephropathy, nephrosisusage: insufficient excretion of wastes by the kidneysWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language