/ Thesaurus / M Synonyms of murkiness Find synonyms for: Noun1. fog, fogginess, murk, murkiness, atmosphere, atmospheric stateusage: an atmosphere in which visibility is reduced because of a cloud of some substance2. cloudiness, murkiness, muddiness, opacity, opaquenessusage: the quality of being cloudyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penurious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language