/ Thesaurus / B Synonyms of black racer Find synonyms for: Noun1. blacksnake, black racer, Coluber constrictor, racerusage: blackish racer of the eastern United States that grows to six feetWordNet 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