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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 brakerShipbuilding. 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:

These deliveries rely on an elaborate ship-to-ship transfer system, where sanctioned tankers unload crude onto vessels in international waters off the coast of Malaysia to mask the fuel’s origin.

From The Wall Street Journal Aug. 26, 2026

That time, the attacker wore black clothes, a Darth Vader-like mask and a German World War II helmet.

From Barron's Aug. 21, 2026

On Aug. 12 around 5:30 a.m., a man in a disturbing white face mask chased a 40-year-old woman in the downtown area of Philadelphia across from City Hall, according to the city’s Police Department.

From Los Angeles Times Aug. 20, 2026

On Tuesday the inquest was told that Kamangire had been "in and out" of Moroccan-born Jaafri's room on the ward, checking his oxygen mask, on 21 April 2025.

From BBC Aug. 18, 2026

Somehow he had to mask his abject terror with a look of calm courage.

From "Storm Runners" by Roland Smith

Each boat considered at risk is disinfected by teams who wear whole face masks and boots.

From Barron's Aug. 22, 2026

And that “average” return figure masks a lot of variation.

From MarketWatch Aug. 14, 2026

Flight attendants reported hearing and feeling the vibrations, and seeing a small amount of smoke before the oxygen masks were deployed.

From BBC Aug. 13, 2026

Earlier this week, students in the Los Angeles Unified School District returned to school with teachers and volunteers at the sites around the warehouse handing out face masks.

From Los Angeles Times Aug. 13, 2026

They were wearing N95 masks and rubber gloves.

From "City of the Plague God" by Sarwat Chadda

Both riders were masked and Simon believes they were at most 14 or 15 years old.

From BBC Aug. 20, 2026

The losingest jersey in sports masked five no-funny-business basketball players who could give superstars a scare.

From Salon Aug. 19, 2026

That modest move in those broader indexes has masked sharper moves beneath the surface, as investors re-evaluate their tech bets and grapple with the looming threat of rising interest rates.

From The Wall Street Journal Aug. 3, 2026

But the petroleum products are masked in manifests — labeled waste material, lubricants, residues and other items not subject to the high taxes that Mexico levies on imported fuel.

From Los Angeles Times Aug. 3, 2026

She tilted her masked face at the sky, as if the clouds could tell her.

From "Bone Gap" by Laura Ruby

At that point, when female social relationships become exponentially more complicated and masking becomes more difficult, their mental health outcomes split sharply from those of their male peers.

From Los Angeles Times Aug. 26, 2026

In the second, those shocks are masking deeper imbalances: Demand is outstripping supply and letting businesses make price increases stick.

From The Wall Street Journal Aug. 26, 2026

She sees masking research as part of a "refreshing change" as autistic academics "bring lived experience into research".

From BBC Aug. 21, 2026

Vaccines, masking, improved indoor air quality and acquired immunity have all kept the virus at bay so that morgue trucks no longer fill the streets.

From Salon Aug. 6, 2026

Down right, masking tape outlines two small foursquare courts.

From "Black Brother, Black Brother" by Jewell Parker Rhodes

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