/ Thesaurus / G Synonyms of great blue heron Find synonyms for: Noun1. great blue heron, Ardea herodius, heronusage: large American heron having bluish-grey plumageWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: knead Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language