/ Thesaurus / B Synonyms of badlands national park Find synonyms for: Noun1. Badlands National Parkusage: a national park in South Dakota having multicolored peaks and spires resulting from erosion; fossil sitesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: sumptuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language