/ Thesaurus / A Synonyms of apus apus Find synonyms for: Noun1. European swift, Apus apus, swiftusage: common European bird with a shrieking call that nests chiefly about eaves of buildings or on cliffsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language