un·​mask | \ ˌən-ˈmask How to pronounce unmask (audio) \
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

The Justice Department enforces the Foreign Agents Registration Act, which was enacted in 1938 to unmask Nazi propaganda in the United States. NBC News, "Top D.C. lawyer takes stand in own defense in case tied to Mueller probe," 28 Aug. 2019 Rival pro-government channels seek to unmask protesters in a similar fashion. Paul Mozur, New York Times, "In Hong Kong Protests, Faces Become Weapons," 26 July 2019 From cubicles in a nondescript office building in the Denver Tech Center, two of the world’s leading cryptocurrency investigators spend their days trying to unmask people selling bad things in the darkest corners of the internet. The Denver Post, "Post Premium: Our best stories for the week of Aug. 26 – Sept. 1," 1 Sep. 2019 Another intriguing possibility is that there’s a bigger shakeup underground that these recent earthquakes are unmasking. Jeanna Bryner, Scientific American, "Could the Recent California Earthquakes Set Off the San Andreas Fault?," 8 July 2019 The Buffaloes were the talk of the conference after their 5-0 start but got unmasked, to a certain degree, by a sharp uptick in schedule difficulty. Jon Wilner Pac-12 Hotline, The Seattle Times, "Pac-12 Power Rankings: Is WSU’s win over Oregon enough to overtake Washington?," 22 Oct. 2018 Judges have referred to the companies as copyright trolls and are increasingly resisting the firms’ request for help to unmask the identities of alleged pirates of their movies. Guillermo Contreras, ExpressNews.com, "Alleged ‘copyright troll’ claims unnamed San Antonians are stealing porn movies," 18 July 2019 Combined with software that analyzes public blockchain transactions, that information can help unmask who’s behind a nefarious deal. Gregory Barber, WIRED, "Everyone Wants Facebook's Libra to Be Regulated. But How?," 18 July 2019 One of their own has now unmasked their intellectual dishonesty. Nicholas Frankovich, National Review, "In a United Nations Report, a Socialist Details Venezuela’s Horrors," 17 July 2019

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

17 Oct 2019

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

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transposition of initial sounds of words

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