/ Thesaurus / H Synonyms of harbor seal Find synonyms for: Noun1. harbor seal, common seal, Phoca vitulina, earless seal, true seal, hair sealusage: small spotted seal of coastal waters of the northern hemisphereWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language