/ Thesaurus / O Synonyms of organization for the prohibition of chemical weapons Find synonyms for: Noun1. Organization for the Prohibition of Chemical Weapons, OPCW, world organization, world organisation, international organization, international organisation, global organizationusage: WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language