American English
/mæsk̚/
One syllable.
A covering worn over the nose and mouth, usually for protection from disease, dust, or other harmful things.
Practice out loudA covering worn over the nose and mouth, usually for protection from disease, dust, or other harmful things.
Everyone wore a mask on the crowded bus.
The doctor asked me to put on a mask.
wear a mask · put on a mask · face mask · protective mask
wear a mask
a mask over your nose and mouth
A covering for the face used as part of a costume or to hide a person's identity.
The children wore animal masks at the party.
The robber covered his face with a black mask.
Halloween mask · costume mask · animal mask
wear a mask as part of a costume
a mask to hide your identity
A false appearance that hides someone's real feelings or character.
His smile was a mask for his sadness.
She hid behind a mask of calm.
a mask of confidence · a mask of calm · hide behind a mask
a mask of confidence
hide behind a mask
To put a covering over your nose and mouth, usually for protection.
Please mask your nose and mouth before entering.
The workers masked their faces against the dust.
When you mean simply to have one on your face, say wear a mask. Mask is also used as a verb, but it often describes the act of covering.
mask your nose and mouth · mask your face
mask your nose and mouth
mask your face with a cloth
to place a mask over your face
Put on a mask before you go inside.
hiding your real feelings or identity
She hid her fear behind a mask of confidence.