/ Thesaurus / F Synonyms of fillet of sole Find synonyms for: Noun1. sole, fillet of sole, flatfishusage: lean flesh of any of several flatfishWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language