/ Thesaurus / C Synonyms of chronic pyelonephritis Find synonyms for: Noun1. chronic pyelonephritis, pyelonephritisusage: pyelonephritis that develops slowly and can lead to renal failure if untreated; often associated with a kidney stone or with narrowing of the urinary passagewaysWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: kiln Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language