/ Thesaurus / B Synonyms of bothrops atrops Find synonyms for: Noun1. fer-de-lance, Bothrops atrops, pit viperusage: large extremely venomous pit viper of Central America and South AmericaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: sublime Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language