/ Thesaurus / Y Synonyms of yellowstone national park Find synonyms for: Noun1. Yellowstone National Parkusage: the first national park in the United States; located in the border area between Wyoming and Montana and Idaho; spectacular wilderness; famous for Old Faithful geyser and for buffalo and bearsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language