Breadcrumb Home > Thesaurus Cite Synonyms of nyx Find synonyms for: Noun1. Nyxusage: (Greek mythology) Greek goddess of the night; daughter of Chaos; counterpart of Roman NoxWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.See also: nyx (Dictionary) Related Content Daily Word Quiz: quisling Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language Synonyms Index