/ Dictionary / Index S solitary vireo: Meaning and Definition of Find definitions for: sol'itary vir'eo Pronunciation: [key] a vireo, Vireo solitarius, of North and Central America, having the top and sides of the head bluish-gray. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. solitary sandpiper solitary wasp Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language