/ Thesaurus / B Synonyms of bluegrass state Find synonyms for: Noun1. Kentucky, Bluegrass State, KYusage: a state in east central United States; a border state during the American Civil War; famous for breeding race horsesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language