/ Thesaurus / O Synonyms of opheodrys vernalis Find synonyms for: Noun1. smooth green snake, Opheodrys vernalis, green snake, grass snakeusage: of western and central United StatesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language