I. mask 1 /mɑːsk $ mæsk/ BrE AmE noun [countable]
[ Date: 1500-1600 ; Language: French ; Origin: masque , from Old Italian maschera ]
1 . something that covers all or part of your face, to protect or to hide it:
a surgical face mask
He was attacked and robbed by two people wearing masks.
2 .
something that covers your face, and has another face painted on it, which is used for ceremonies or special occasions:
a Halloween mask
3 . [usually singular] an expression or way of behaving that hides your real emotions or character SYN front :
Her sarcasm is a mask for her insecurity.
4 . a substance that you put on your face and leave there for a short time to clean the skin or make it softer SYN face pack :
a facial mask
⇨ ↑ death mask , ↑ gas mask
II. mask 2 BrE AmE verb [transitive]
1 . if a smell, taste, sound etc is masked by a stronger one, it cannot be noticed because of the stronger one:
Liz turned on a radio to mask the noise.
Air-fresheners mask bad smells instead of removing them.
2 . to hide your feelings or the truth about a situation:
Men often mask their true feelings with humour.
3 . to cover or hide something so that it cannot be clearly seen:
The new accommodation block has all but masked the original building.
• • •
THESAURUS
▪ hide to make something difficult to see or find, or to not show your true feelings:
He hid the gun in his pocket.
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She tried to hide her anger.
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The actress put up a hand to hide her face from the cameras.
▪ conceal formal to hide something, especially by carefully putting it somewhere. Also used when talking about hiding your feelings, especially in negative sentences:
Several kilos of drugs were concealed in the back of the truck.
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He could not conceal his feelings any longer.
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The girl quickly concealed the photograph she had been gazing at.
▪ cover up to put something over another thing that you do not want people to see, in order to hide it completely:
People cover up cracks with wallpaper or tiles.
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I used some make-up to cover up the spots.
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She was wearing a thin shawl to cover up the bruises on her arm.
▪ disguise to make someone or something seem like a different person or thing, so that other people cannot recognize them:
She managed to get into the camp by disguising herself as a soldier.
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The men had disguised the vessel as fishing boat.
▪ camouflage to hide something by covering it with materials that make it look like the things around it:
We camouflaged the plane by covering it with leaves.
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The troops used charcoal to camouflage their faces.
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Soldiers had camouflaged the trucks with branches and dirt.
▪ obscure literary to make it difficult to see something clearly:
The view was obscured by mist.
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His body was found, partially obscured by bushes, at the bottom of a shallow canyon.
▪ mask to make something less noticeable, for example a taste, a smell, a sound, or a feeling:
The lemon helps to mask the taste of the fish.
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Helen had turned on the radio to mask the noise of the traffic.
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He did little to mask his contempt.