without any writing, print, or recorded sound:
Leave the last page blank.
a blank cassette
a blank face or look shows no emotion, understanding, or interest [↪ blankly]
Zoe looked at me with a blank expression.
She gazed at him in blank astonishment.
if your mind goes blank, or if you go blank, you are suddenly unable to remember something:
My heart began to race and my mind went blank.
to stop showing any images, writing etc:
Suddenly the screen went blank.
—blankness noun [uncountable]➔ blank verse