/ Thesaurus / O Synonyms of order percomorphi Find synonyms for: Noun1. Perciformes, order Perciformes, Percomorphi, order Percomorphi, animal orderusage: one of the largest natural groups of fishes of both marine and fresh water: true perches; basses; tunaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language