/ Thesaurus / H Synonyms of hair seal Find synonyms for: Noun1. earless seal, true seal, hair seal, sealusage: any of several seals lacking external ear flaps and having a stiff hairlike coat with hind limbs reduced to swimming flippersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: beseech Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language