/ Thesaurus / C Synonyms of catarrhinian Find synonyms for: Adjective1. catarrhine (vs. leptorrhine) (vs. platyrrhine), catarrhinianusage: of or related to Old World monkeys that have nostrils together and opening downwardWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: confectionery Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language