Breadcrumb Home > Thesaurus > A Synonyms of argon Find synonyms for: Noun 1. argon, Ar, atomic number 18, chemical element, element, noble gas, inert gas, argonon usage: a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of argon (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: insipid Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language