Breadcrumb Home > Thesaurus > B Synonyms of blackmail Find synonyms for: Noun1. blackmail, extortionusage: extortion of money by threats to divulge discrediting informationVerb1. blackmail, blackjack, pressure, influence, act upon, workusage: exert pressure on someone through threats2. blackmail, extortusage: obtain through threatsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of blackmail (Dictionary) ✖ Related Content Daily Word Quiz: guilloche Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language