/ Thesaurus / B Synonyms of blue racer Find synonyms for: Noun1. blue racer, Coluber constrictor flaviventris, blacksnake, black racer, Coluber constrictorusage: bluish-green blacksnake found from Ohio to TexasWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language