/ Thesaurus / I Synonyms of in darkness Find synonyms for: Adverb1. darkly, in darknessusage: without light; "the river was sliding darkly under the mist"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language