/ Thesaurus / N Synonyms of nonpasserine Find synonyms for: Adjective1. nonpasserine (vs. passerine)usage: relating to or characteristic of birds that are not perching birdsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language