Breadcrumb Home > Thesaurus > X Synonyms of xenon Find synonyms for: Noun 1. xenon, Xe, atomic number 54, chemical element, element, noble gas, inert gas, argonon usage: a colorless odorless inert gaseous element occurring in the earth's atmosphere in trace amounts WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of xenon (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: demagogue Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language