/ Thesaurus / H Synonyms of hydrarthrosis Find synonyms for: Noun1. hydrarthrosis, inflammation, redness, ruborusage: inflammation and swelling of a movable joint because of excess synovial fluidWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pudgy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language