un·​mask | \ˌən-ˈmask \
unmasked; unmasking; unmasks

Definition of unmask 

transitive verb

1 : to reveal the true nature of : expose

2 : to remove a mask from

intransitive verb

: to remove one's mask

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Examples of unmask in a Sentence

He was unmasked as a spy. the killer's identity won't be unmasked until the season's final episode

Recent Examples on the Web

At a hearing today, that mysterious individual was finally unmasked. Jay Willis, GQ, "Michael Cohen Is on a One-Way Train to Screwsville," 16 Apr. 2018 But now, the bull market’s precedent shattering power and momentum has shaken the faith of one of its staunch supporters, the bubble-unmasking dean of deep value investing, Jeremy Grantham of GMO. Shawn Tully, Fortune, "Why Wall Street Is Ignoring "CAPE" Fear," 17 Jan. 2018 The Golden State Killer, unmasked as Joseph James DeAngelo, fits this pattern, as new information about him has revealed. Meagan Fredette, refinery29.com, "New Revelations Show Golden State Killer Had Toxic History With Women," 29 Apr. 2018 After Nassar was unmasked as a predator in September 2016 by the Indianapolis Star, new victims came forward every week. NBC News, "McKayla Maroney says she tried to raise sex abuse alarm in 2011," 22 Apr. 2018 Juan Antonio Blanco, the academic, activist and executive director of the Foundation for Human Rights in Cuba, recently announced an initiative to unmask and deport Cuban human-rights abusers now living in he United States. Nora Gámez Torres, miamiherald, "He now hunts Cuban human-rights abusers in the U.S. Was he once an offender himself?," 12 July 2018 Even catching and unmasking a bad guy like Electro would feel anti-climactic at times—which was a core tension for Ditko’s Spider-Man that helped him stand out and become one of Marvel’s top-selling heroes shortly after his 1962 launch. David Sims, The Atlantic, "Steve Ditko’s Ordinary People," 10 July 2018 Therefore the faithful servants of the Lord Jesus Christ dare not cease to oppose and unmask it. Sarah Jones, The New Republic, "Who Would Jesus Lock Up?," 15 June 2018 Koch operatives also have fought aggressively against efforts to unmask donors, saying disclosing that information could subject contributors to threats and chill free speech. Fredreka Schouten, USA TODAY, "Exclusive: Secret money funds more than 40% of outside congressional ads," 12 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unmask.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of unmask

1562, in the meaning defined at intransitive sense

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Statistics for unmask

Last Updated

12 Dec 2018

Look-up Popularity

Time Traveler for unmask

The first known use of unmask was in 1562

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More Definitions for unmask



English Language Learners Definition of unmask

: to reveal the true identity or nature of (someone or something)

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More from Merriam-Webster on unmask

Rhyming Dictionary: Words that rhyme with unmask

Thesaurus: All synonyms and antonyms for unmask

Spanish Central: Translation of unmask

Nglish: Translation of unmask for Spanish Speakers

Comments on unmask

What made you want to look up unmask? Please tell us where you read or heard it (including the quote, if possible).


to make faulty or ineffective

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