/ Thesaurus / O Synonyms of order synentognathi Find synonyms for: Noun1. Synentognathi, order Synentognathi, animal orderusage: order of fishes having spineless fins; needlefishes; sauries; flying fishes; halfbeaksWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language