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Synonyms

mask

American  
[mask, mahsk] / mæsk, mɑsk /

noun

  • masks
    plural
  1. a covering for all or part of the face, worn to conceal one's identity.

  2. a grotesque or humorous false face worn at a carnival, masquerade, etc..

    Halloween masks.

  3. Also called swim mask. a device consisting typically of a transparent glass or plastic panel fitted into a flexible rubber gasket that fits snugly around the eyes, over the cheeks, and usually over the nose: used by skin divers.

  4. anything that disguises or conceals; disguise; pretense.

    His politeness is a mask for his fundamentally malicious personality.

  5. a likeness of a face, as one molded on the face in plaster.

  6. a covering of wire, gauze, etc., to protect the face, as from splinters, dust, or a pitched ball.

  7. gas mask.

  8. any protective covering for the face or head.

  9. any protective covering, as paper, cardboard, plastic, or the like, used for masking an area of something, as of a photograph or window.

  10. the dark shading on the muzzle of certain dogs.

  11. a representation of a face or head, generally grotesque, used as an architectural ornament or as a decorative device in weaponry, furniture, etc.

  12. a person wearing a mask; masker.

  13. masque.

  14. Also a cosmetic cream, gel, paste, or the like, that is applied to the face and allowed to remain for a short time before being removed and is used for tightening, cleansing, refreshing, or lubricating the skin.

  15. a piece of cloth, silk, or plastic material covering the face of an actor to symbolize the character being represented: used in Greek and Roman drama and in some modern plays.

  16. the face or head, as of a fox.

  17. Electronics. a type of stencil applied to the surface of a semiconductor to permit selective etching or deposition: used in the manufacture of integrated circuits by photolithography.

  18. Fortification. a screen, as of earth or brush, for concealing or protecting a battery or any military operation.

  19. Also called braker. Shipbuilding. a sliding timber construction braced against the stern of a hull being launched to keep it from entering the water too rapidly.


verb (used with object)

  • masks,
    present (3rd person singular)
  • masked,
    past participle,  past
  • masking
    present participle
  1. to disguise or conceal; hide; dissemble.

    to mask one's intentions.

    Synonyms:
    cover, cloak, screen, veil
  2. to cover or conceal with a mask.

  3. to cover or shield a part of (a design, picture, etc.) in order to prevent reproduction or to protect the surface from the colors used, as in working with an air brush or in painting.

  4. Fortification. to conceal (a battery or any military operation) from the enemy.

  5. to hinder, as an army, from conducting an operation.

verb (used without object)

  • masks,
    present (3rd person singular)
  • masked,
    past participle,  past
  • masking
    present participle
  1. to put on a mask; disguise oneself.

mask British  
/ mɑːsk /

noun

  1. any covering for the whole or a part of the face worn for amusement, protection, disguise, etc

  2. a fact, action, etc, that conceals something

    his talk was a mask for his ignorance

  3. another name for masquerade

  4. a likeness of a face or head, either sculpted or moulded, such as a death mask

  5. an image of a face worn by an actor, esp in ancient Greek and Roman drama, in order to symbolize the character being portrayed

  6. a variant spelling of masque

  7. surgery a sterile gauze covering for the nose and mouth worn esp during operations to minimize the spread of germs

  8. sport a protective covering for the face worn for fencing, ice hockey, etc

  9. a carving in the form of a face or head, used as an ornament

  10. a natural land feature or artificial object which conceals troops, etc, from view

  11. a device placed over the nose and mouth to facilitate or prevent inhalation of a gas

  12. photog a shield of paper, paint, etc, placed over an area of unexposed photographic surface to stop light falling on it

  13. electronics a thin sheet of material from which a pattern has been cut, placed over a semiconductor chip so that an integrated circuit can be formed on the exposed areas

  14. computing a bit pattern which, by convolution with a second pattern in a logical operation, can be used to isolate a specific subset of the second pattern for examination

  15. entomol a large prehensile mouthpart (labium) of the dragonfly larva

  16. the face or head of an animal, such as a fox, or the dark coloration of the face of some animals, such as Siamese cats and certain dogs

  17. another word for face pack

  18. rare a person wearing a mask

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. to cover with or put on a mask

  2. (tr) to conceal; disguise

    to mask an odour

  3. (tr) photog to shield a particular area of (an unexposed photographic surface) in order to prevent or reduce the action of light there

  4. (tr) to shield a particular area of (a surface to be painted) with masking tape

  5. (tr) to cover (cooked food, esp meat) with a savoury sauce or glaze

  6. a Scottish variant of mash

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Inflected Forms

Nouns

Participles

Conjugated Forms

Present

Past

Future

Etymology

Origin of mask

First recorded in 1525–35; from Middle French masque, perhaps directly from Italian maschera “mask, disguise,” from unattested pre-Latin maskara, an extended form of unattested mask-, probably with the original sense “black” (blackening the face being a simple form of disguise); another development of the same base is early Medieval Latin masca “witch, ghost” (also, “mask”); see mascot

Explanation

A mask is a disguise that covers just your face. Your Halloween costume might include a scary monster mask and a furry suit with a tail, or maybe you just wear that for fun. You can wear a mask to conceal your identity, to dress up as a character for a party or holiday, to scare someone, or to make someone laugh. Robbers sometimes wear masks so they can't be identified, and an actor might wear a mask while playing the role of a rabbit in a play. Other masks are useful, including masks that protect patients from germs and masks that keep skiers' faces warm.

Keep Reading on Vocabulary.com

Vocabulary lists containing mask

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Culvin warned the economic boom in women's football could "mask some of the realities that players face and actually endure on a day-to-day basis".

From BBC ● Oct. 12, 2026

Since the pandemic, it’s not unusual for people to wear protective masks, so the renter will wear a mask to hide their identity from the kiosk camera.

From Los Angeles Times ● Oct. 11, 2026

"We need therapies that don't just mask pain but actually change how the disease progresses."

From Science Daily ● Oct. 8, 2026

The mask extends from the hairline to underneath the chin.

From Slate ● Oct. 7, 2026

“Even though we knew his mask only had the green ooze,” he finished.

From "A Monster of a Mystery (The Hardy Boys: Secret Files, #5)" by Franklin W. Dixon

The flight issued an emergency alert and passengers reported oxygen masks dropped in the cabin, as well as turbulence.

From BBC ● Oct. 13, 2026

From Batman masks to offline maps, young Indian protesters have responded to one of New Delhi's toughest security crackdowns with improvised tactics designed to evade surveillance and keep demonstrations alive.

From Barron's ● Oct. 13, 2026

But this stable aggregate masks large cross-country offsetting movements.

From MarketWatch ● Oct. 13, 2026

Since the pandemic, it’s not unusual for people to wear protective masks, so the renter will wear a mask to hide their identity from the kiosk camera.

From Los Angeles Times ● Oct. 11, 2026

They nodded grimly, their faces masks of seriousness.

From "The Smartest Kid in the Universe" by Chris Grabenstein

The Times’ Mikael Wood and Rebecca Castillo talk with the masked country singer before his show at the hillside amphitheater.

From Los Angeles Times ● Oct. 9, 2026

Kenya's health ministry official Patrick Amoth said the patient might have passed screening after taking medications that masked his symptoms.

From BBC ● Oct. 7, 2026

Even after the arrest of five masked men next to the base, plus a British-Iranian picked up later, the threat persisted.

From The Wall Street Journal ● Oct. 6, 2026

In Prime Video’s “Spider-Noir,” he played Ben Reilly, a hapless and jaded private eye who used to moonlight as a masked vigilante known as the Spider until the love of his life was murdered.

From Los Angeles Times ● Oct. 1, 2026

Declaring himself might have provoked open rebellion: Remaining masked has created confusion, uncertainty, and fear.”

From "Harry Potter and the Deathly Hallows" by J.K. Rowling

As people resumed gatherings and eased up on measures including masking and social distancing, the county saw upticks in flu cases in 2024 and 2025.

From Los Angeles Times ● Oct. 8, 2026

Last weekend, a "Saturday Night Live" sketch cast him as a tortured figure, barely masking his dread of AI.

From Barron's ● Oct. 2, 2026

“It’s really masking what is a quite obvious correction. If you’re a stock picker, or you own anything besides a few select tech names, it can be a big problem.”

From MarketWatch ● Oct. 1, 2026

He looked sideways at CEOs’ request for industry regulation, saying that the move might be a “Trojan Horse” masking their true intentions.

From Salon ● Sep. 20, 2026

He lets the others fall to the ground and then starts taping, ripping off the masking tape with his teeth.

From "Will Grayson, Will Grayson" by John Green and David Levithan

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