unmask

verb

un·​mask ˌən-ˈmask How to pronounce unmask (audio)
unmasked; unmasking; unmasks
Synonyms of unmasknext

transitive verb

1
: to reveal the true nature of : expose
She was unmasked as a spy.
2
: to remove a mask from

intransitive verb

: to remove one's mask

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Civil liberties groups have been raising alarms about efforts by US officials to unmask online critics amid the surge of public opposition to the administration’s hardline policies, including ramped up deportation arrests nationwide and violent clashes with protesters. Bloomberg, Mercury News, 28 May 2026 What that means in practical terms is that while these conditions were occurring gradually before, the massive postpartum shedding episode may, in a sense, unmask them and make the hair loss seem more severe. Jana Pollack, Parents, 28 May 2026 For years, people and media outlets have been trying to unmask Banksy. Carly Thomas, HollywoodReporter, 3 May 2026 At that point, Google agreed to unmask the identities of those three individuals, including Okello Chatrie, who subsequently was arrested. Nina Totenberg, NPR, 27 Apr. 2026 See All Example Sentences for unmask

Word History

First Known Use

1562, in the meaning defined at intransitive sense

Time Traveler
The first known use of unmask was in 1562

Browse Nearby Words

Cite this Entry

“Unmask.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unmask. Accessed 4 Jun. 2026.

Kids Definition

unmask

verb
un·​mask ˌən-ˈmask How to pronounce unmask (audio)
ˈən-
: to strip of a mask or a disguise : expose
unmask a traitor

More from Merriam-Webster on unmask

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster