/ Thesaurus / F Synonyms of fish louse Find synonyms for: Noun1. fish louse, copepod, copepod crustaceanusage: a kind of copepodWordNet 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