/ Thesaurus / M Synonyms of mugginess Find synonyms for: Noun1. mugginess, humidity, humidnessusage: a state of warm humidityWordNet 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