/ Thesaurus / T Synonyms of true flycatcher Find synonyms for: Noun1. Old World flycatcher, true flycatcher, flycatcher, oscine, oscine birdusage: any of a large group of small songbirds that feed on insects taken on the wingWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language