/ Thesaurus / V Synonyms of viperine grass snake Find synonyms for: Noun1. viperine grass snake, Natrix maura, grass snake, ring snake, ringed snake, Natrix natrixusage: a small harmless grass snakeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language