blank
adjective /blæŋk/
  /blæŋk/
Idioms - empty, with nothing written, printed or recorded on it
- Sign your name in the blank space below.
 - a blank CD
 - Write on one side of the paper and leave the other side blank.
 - She turned to a blank page in her notebook.
 - I left the third column blank.
 
Oxford Collocations Dictionaryverbs- be
 - go
 - remain
 - …
 
- completely
 - entirely
 
 - (of a wall or screen) empty; with no pictures, marks or decoration
- blank whitewashed walls
 - Suddenly the screen went blank.
 
Oxford Collocations Dictionaryverbs- be
 - go
 - remain
 - …
 
- completely
 - entirely
 
 - showing no feeling, understanding or interest
- She stared at me with a blank expression on her face.
 - Steve looked blank and said he had no idea what I was talking about.
 - Suddenly my mind went blank (= I could not remember anything).
 - I asked several people about it and just got blank stares in return.
 
Extra Examples- His expression remained studiously blank.
 - Her explanation was met with blank looks.
 
Oxford Collocations Dictionaryverbs- be
 - look
 - go
 - …
 
- completely
 - totally
 - studiously
 - …
 
 - [only before noun] (of negative things) complete and total
- a blank refusal/denial
 
 
Word OriginMiddle English (in the sense ‘white, colourless’): from Old French blanc ‘white’, ultimately of Germanic origin.
Idioms 
a blank canvas/slate 
- a person or thing that has the potential to be developed or changed in many different ways
- The building is a blank canvas for an clever investor to potentially make a lot of money.
 - Alice was a blank slate in the first film because she had memory loss and knew nothing about herself.