Breadcrumb Home > Thesaurus > A Synonyms of at Find synonyms for: Noun 1. astatine, At, atomic number 85, chemical element, element, halogen usage: a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium 2. at, Laotian monetary unit usage: 100 at equal 1 kip in Laos WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of at (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: insitu Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language