/ Thesaurus / V Synonyms of vireo solitarius solitarius Find synonyms for: Noun1. blue-headed vireo, Vireo solitarius solitarius, vireousage: common vireo of northeastern North America with bluish slaty-grey headWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: rotund Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language