/ Thesaurus / B Synonyms of blistering agent Find synonyms for: Noun1. mustard gas, mustard agent, blistering agent, dichloroethyl sulfide, sulfur mustard, poison gas, vesicant, vesicatoryusage: a toxic war gas with sulfide based compounds that raises blisters and attacks the eyes and lungs; there is no known antidoteWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language