/ Thesaurus / T Synonyms of tree swift Find synonyms for: Noun1. tree swift, crested swift, apodiform birdusage: birds of southeast Asia and East Indies differing from true swifts in having upright crests and nesting in treesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: quandary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language