Breadcrumb Home > Thesaurus > A Synonyms of aar Find synonyms for: Noun 1. Aare, Aar, Aare River usage: a river in north central Switzerland that runs northeast into the Rhine WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of aar (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: terraincognita Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language