mask

1 of 2

noun

ˈmask 

plural masks

1

a(1)

: a cover or partial cover for the face used for disguise

(2)

: a person wearing a mask : masker

b(1)

: a figure of a head worn on the stage in antiquity to identify the character and project the voice

(2)

: a grotesque false face worn at carnivals or in rituals

c

: an often grotesque carved head or face used as an ornament (as on a keystone)

d

: a sculptured face or a copy of a face made by means of a mold

2

a

: a protective covering for the face or part of the face

The hockey puck struck the goalie's mask.

a snorkel mask

see also ski mask

b(1)

: a device usually covering the mouth and nose to facilitate delivery of a gas (such as a general anesthetic) see also oxygen mask

(2)

: a comparable device or a covering (as of polypropylene fiber or cotton fabric) to prevent inhalation of dangerous substances or to prevent the inhalation or dispersal of exhaled infectious material (such as bacteria or viruses) see also face mask, gas mask, procedure mask, surgical mask

c

or less commonly masque : a cosmetic preparation for the skin of the face that produces a tightening effect as it dries

3

a

: something that serves to conceal or disguise : pretense, cloak

aware of the masks, facades and defenses people erect to protect themselves

—Kenneth Keniston

b

: something that conceals from view

c

: a translucent or opaque screen to cover part of the sensitive surface in taking or printing a photograph

d

: a pattern of opaque material used to shield selected areas of a surface (as of a semiconductor) in deposition or etching (as in producing an integrated circuit) see also photomask

4

a

: the head or face of an animal (such as a fox or dog)

b

: an area (such as the one around the eyes) of an animal's face that is distinguished by usually darker coloring

mask

2 of 2

verb

masked; masking; masks

transitive verb

1

: to provide or conceal (someone or something) with a mask: such as

a

: to conceal (something) from view

mask a gun battery

The entrance was masked by shrubs and flowers.

b

: to make (something) indistinct or imperceptible

masks undesirable flavors

mask the smell with a scented candle

[Dr. Joseph] Murray cautioned that people who go gluten-free to ease stomach problems may end up masking the symptoms of underlying conditions such as Crohn's disease, an immune disorder that affects the digestive tract.

—Kiera Butler

c

: to hide or conceal (something, such as one's motives or feelings)

The excuse masked his real purpose.

… a practiced yet futile attempt to mask embarrassment or anger with a smile …

—David Remnick

2

: to cover (the face or part of the face) with or as if with a mask

The low hood masked her eyes.

The leader masked his face with a scarf, her mother says, but she recognized the raspy voice of their neighbor …

—National Geographic

3

: to cover (something) for protection

Painters frequently use tape to mask … adjacent surfaces such as walls or trim.

—Gwen Bruno

4

: to modify the size or shape of (something, such as a photograph) by means of an opaque border

intransitive verb

1

a

: to put on a mask : to cover the face with a mask

As workplaces reopen, employees must mask and wash hands frequently.

—Robert A. Weinstein and Cory Franklin

—often used with up

On a recent weekend, we masked up and went for a bicycle ride in Tokyo.

—Motoko Rich and Noriko Hayashi

b

: to disguise one's true character or intentions

2

: to take part in a masquerade

masklike

ˈmask-ˌlīk 

adjective

Synonyms

Noun

• vizard

Verb

• camouflage
• cloak
• disguise
• dress up

Choose the Right Synonym for mask

disguise, cloak, mask mean to alter the dress or appearance of so as to conceal the identity or true nature.

disguise implies a change in appearance or behavior that misleads by presenting a different apparent identity.

disguised herself as a peasant

cloak suggests a means of hiding a movement or an intention.

cloaked their maneuvers in secrecy

mask suggests some often obvious means of hiding or disguising something.

smiling to mask his discontent

Examples of mask in a Sentence

Noun

Everyone wore costumes and masks to the dance.

Doctors wear surgical masks in the operating room.

Verb

The house was masked by trees.

They tried to mask their real purpose.

She tried using perfume to mask the bad odor.

Recent Examples on the Web

Noun

The movie follows Patel’s character, Kid, a young man who fights nightly in an underground fight club while wearing a gorilla mask. —Aaron Boorstein, Smithsonian Magazine, 5 Apr. 2024

Many people, however, find the mask claustrophobic and ill-fitting, the tubing constrictive and cumbersome and the air pressure either inadequate or too forceful. —Sandee Lamotte, CNN, 4 Apr. 2024

The mask was extremely difficult to breathe in and extremely difficult to see in. —Dana Rose Falcone, Peoplemag, 4 Apr. 2024

Police said the suspects were wearing hooded sweatshirts and some, if not all of them, had masks on; that description is consistent with the statement of one of the victims to investigators. —Rosalio Ahumada, Sacramento Bee, 4 Apr. 2024

Her first college game came in an eerily quiet setting: no fans, players spaced out on bleachers and some wearing masks to protect against the coronavirus. —Billy Witz, New York Times, 2 Apr. 2024

Both masks are beautiful and infused with energy, an ode to how other cultures handle death. —Megan Farokhmanesh, WIRED, 2 Apr. 2024

Police from multiple agencies responded to the scene to search for the suspect wearing the mask and outfit, officials said. —USA TODAY, 1 Apr. 2024

That’s a lot coming from a marine biologist who has spent years of his life in a mask and fins. —Scott Bay, Condé Nast Traveler, 29 Mar. 2024

Verb

The steep rise in interest rates last year may have helped mask any underlying malaise in the Swiss financial system. —Bastian Benrath, Fortune Europe, 4 Apr. 2024

That means Cornbread Hemp doesn't need to add flavoring to mask the taste of their CBD oils, because there's nothing to hide! —Cbd Scout, Discover Magazine, 3 Apr. 2024

Digital streaming viewers often use this VPN masking technology to access shows restricted in certain markets and blacked out sports events. —Mack Degeurin, Popular Science, 3 Apr. 2024

Sometimes girls may not fit the criteria of autism, and girls tend to be better able to mask symptoms by mimicking friends' behaviors. —Michael George, CBS News, 2 Apr. 2024

Garnish: Lee pointed out that the oils of an orange peel expressed over the top works to mask the bacon aroma, which does some additional work to keep the bacon effect subtle. —Jason O'Bryan, Robb Report, 30 Mar. 2024

Funds belonging to many parties are pooled, jumbled up, and spat out into brand-new wallets, masking the origin of the coins held in each. —Joel Khalili, WIRED, 27 Mar. 2024

But in 1996, White died in his early 40s of pancreatic and liver cancer — a destabilizing loss that led Smith to turn to drugs in an effort to mask her grief. —Lev Facher, STAT, 26 Mar. 2024

Sure, this is RPG 101, but most games of the last 30 years at least attempt to mask the routine with a semblance of cinematic flourish. —Christopher Cruz, Rolling Stone, 21 Mar. 2024

Word History

Etymology

Noun

Middle French masque, from Old Italian maschera

First Known Use

Noun

circa 1533, in the meaning defined at sense 1a(1)

Verb

1539, in the meaning defined at intransitive sense 2

Phrases Containing mask

• death mask
• gas mask
• face mask
• mask acne
• face mask penalty
• procedural face mask
• procedure face mask
• oxygen mask
• shadow mask
• surgical mask
• procedure mask
• ski mask
• procedural mask

Kids Definition

mask

1 of 2 noun

ˈmask 

1

a

: a cover or partial cover for the face used for disguise

a Halloween mask

b

: masker

c

: a sculptured face made by a mold in plaster or wax

2

: something that disguises or conceals : cloak

3

a

: a covering used to protect the face

a baseball catcher's mask

b

: gas mask

c

: a device covering the nose and mouth to make it easier to inhale something

an oxygen mask

d

: a covering (as of gauze) over the nose and mouth to prevent infectious droplets from being exhaled into the air

4

: the head or face of a mammal (as a fox or dog)

5

: masque sense 2

mask

2 of 2 verb

1

: to put on or wear a mask

2

a

: conceal, disguise

masked their real purpose

b

: to make impossible to perceive or distinguish

masks undesirable flavors

3

: to cover for protection

Medical Definition

mask

1 of 2 noun

ˈmask 

1

: a protective covering for the face or part of the face

2

a

: a device usually covering the mouth and nose to facilitate delivery of a gas (such as a general anesthetic) see also oxygen mask

b

: a comparable device or covering (as of polypropylene fiber or cotton fabric) worn to prevent inhalation of dangerous substances or to prevent the inhalation or dispersal of exhaled infectious material (such as bacteria or viruses) see also face mask, gas mask, procedure mask, surgical mask

3

: a cosmetic preparation for the skin of the face that produces a tightening effect as it dries

mask

2 of 2 transitive verb

1

: to prevent (an atom or group of atoms) from showing its ordinary reactions

to mask hydroxyl in a sugar by converting it into methoxyl

2

: to modify or reduce the effect or activity of (as a process or a reaction)

3

: to make indistinct or imperceptible

flavorings used in pharmacy to mask the taste of medications

4

: to raise the audibility threshold of (a sound) by the simultaneous presentation of another sound