/ Thesaurus / O Synonyms of order siluriformes Find synonyms for: Noun1. Siluriformes, order Siluriformes, animal orderusage: an order of fish belonging to the superorder Malacopterygii including catfishesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: coincidence Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language