/ Thesaurus / H Synonyms of hairtail Find synonyms for: Noun1. cutlassfish, frost fish, hairtail, percoid fish, percoid, percoideanusage: long-bodied marine fishes having a long whiplike scaleless body and sharp teeth; closely related to snake mackerelWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language