/ Thesaurus / G Synonyms of gaviiformes Find synonyms for: Noun1. Gaviiformes, order Gaviiformes, animal orderusage: large aquatic birds: loons and some extinct formsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language