: 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
: 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
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
Example Sentences
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
Others suggested the school district was trying to find any reason to prolong the mask mandates.Fox News, 19 Sep. 2022 Individual transit agencies in L.A. County could still choose to order their own mask mandates.Los Angeles Times, 16 Sep. 2022 Over the course of that school year, 18 states and the District of Columbia issued mask mandates, while 11 tried to institute bans.New York Times, 8 Sep. 2022 Soto worried that while Echelson said the district may impose mask mandates on individual schools or classes in case of surges, there was no metric in place to determine when those would kick in. Christopher Huffaker, BostonGlobe.com, 7 Sep. 2022 Major cities including Chicago and Atlanta dropped their mask mandates on their transportation systems. Michelle Kaske, Fortune, 7 Sep. 2022 But her campaign’s priorities mirror the organization’s, including advocating against mask mandates and doing away with critical race theory, already banned in Florida’s public schools. Leslie Postal, Orlando Sentinel, 1 Sep. 2022 Hernandez-Mats advocated delaying students' return to school in the fall of 2020 and continuing mask mandates in 2021, in defiance of DeSantis' administration. Anthony Izaguirre, ajc, 27 Aug. 2022 Duval County was at the center of school district fights over mask mandates and more recently over how to implement DeSantis’s new parental rights laws. Lori Rozsa, Washington Post, 25 Aug. 2022
Verb
Another good planting strategy is to place your daffodil bulbs around perennials that will mask the dying bulb foliage in spring. Charlotte Germane, Better Homes & Gardens, 6 Sep. 2022 Scientists believe that some unstable thornless roses consist of regions of thornless epidural tissue that mask internal thorny tissues which remain genetically thorny. Rita Perwich, San Diego Union-Tribune, 3 Sep. 2022 His techniques include asking people on a video call to pick up a random object and move it across their face, to bounce an object, to lift up and fold their shirt, to stroke their hair, or to mask part of their face with their hand. Jeremy Kahn, Fortune, 3 Sep. 2022 Fix that mask onto yourself and give yourself a break! Alex Wagner, SPIN, 1 Sep. 2022 When the world really moves past this pandemic, mask wearing even on longer flights will also reduce. Ben Baldanza, Forbes, 5 July 2022 But there are critical limitations in federal data that mask persistent inequities, experts say. Deidre Mcphillips, CNN, 16 June 2022 Free Real Coconut 48 HR Deodorant is a breezy blend of tropical notes, such as coconut, vanilla and jasmine, that mask intense odor and hydrate your skin. Grooming Playbook, The Salt Lake Tribune, 10 June 2022 Veneers are false, porcelain teeth that mask a person’s original teeth. Brooklyn White, Essence, 30 Apr. 2022 See More