Breadcrumb Home > Thesaurus > N Synonyms of nadir Find synonyms for: Noun 1. nadir, low-water mark, adversity, hardship, hard knocks usage: an extreme state of adversity; the lowest point of anything 2. nadir, celestial point usage: the point below the observer that is directly opposite the zenith on the imaginary sphere against which celestial bodies appear to be projected WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of nadir (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: voxpopuli Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language