/ Thesaurus / M Synonyms of malacopterygii Find synonyms for: Noun1. Malacopterygii, superorder Malacopterygii, animal orderusage: an extensive group of teleost fishes having fins supported by flexible cartilaginous raysWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language