/ Thesaurus / S Synonyms of setophaga ruticilla Find synonyms for: Noun1. American redstart, redstart, Setophaga ruticilla, flycatching warblerusage: flycatching warbler of eastern North America the male having bright orange on sides and wings and tailWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language