adj.
    - not marked or decorated; bare, empty, or plain.
 - not comprehending or reacting:
 a blank look.
 - complete; absolute:
 a blank refusal to discuss the issue.
 - used euphemistically in place of an obscene word.
 
n.
     - a space left to be filled in a document.
 - 
(also blank cartridge)
 a cartridge containing gunpowder but no bullet.
 - an empty space or period of time:
 my mind was a total blank.
 - an object with no mark or design on it, in particular a roughly cut disc or block intended for stamping or finishing.
 - a dash written instead of a word or letter, especially to avoid using an obscene word.
 
v.
    - make blank or empty.
 - Brit. informal deliberately ignore (someone).
 - N. Amer. defeat without allowing the opponent to score.
 - cut (a metal blank).
 
 
  Phrase
  
    
      - draw a blank
 elicit no successful response. 
    
   
  Derivative
  
    - blankly adv.
  - blankness n.
 
   
  Etymology
  ME (in the sense ‘white, colourless’): from OFr. blanc ‘white’, ult. of Gmc origin.