/ Thesaurus / U Synonyms of unwellness Find synonyms for: Noun1. illness, unwellness, malady, sickness, ill health, unhealthiness, health problemusage: impairment of normal physiological function affecting part or all of an organismWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: polyglot Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language