Breadcrumb Home > Thesaurus > C Synonyms of croup Find synonyms for: Noun 1. croup, spasmodic laryngitis, angina usage: a disease of infants and young children; harsh coughing and hoarseness and fever and difficult breathing 2. hindquarters, croup, croupe, rump, body part usage: the part of an animal that corresponds to the human buttocks WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of croup (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: fatuous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language