/ Thesaurus / N Synonyms of nitril Find synonyms for: Noun1. nitrile, nitril, cyanide, organic compoundusage: any of a class of organic compounds containing the cyano radical -CNWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language