/ Thesaurus / G Synonyms of grampus griseus Find synonyms for: Noun1. grampus, Grampus griseus, dolphinusage: slaty-grey blunt-nosed dolphin common in northern seasWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: chicory Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language