/ Thesaurus / M Synonyms of mackenzie river Find synonyms for: Noun1. Mackenzie, Mackenzie Riverusage: a Canadian river; flows into the Beaufort SeaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: cosmology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language