Longman Dictionary of Contemporary English - blank

~1 adj 1 showing no expression, understanding, or interest  (Her eyes were blank and stared right through me. | a blank look) 2 without any writing, print, or recorded sound  (Leave the last page blank. | a blank cassette) 3 go blank a) to be suddenly unable to remember something  (When I got into the exam room I just panicked and my mind went completely blank.) b) to stop showing any images, writing etc  (Suddenly the screen went blank.)  (- see also blank verse) - blankly adv - blankness n ~2 n 1 an empty space on a piece of paper, where you are supposed to write a word or letter  (Use this information to fill in the blanks on your form.) 2 my mind's a blank spoken used to say that you cannot remember something  (I'm trying to think of his name, but my mind's a complete blank.) 3 a cartridge (=container for a bullet in a gun) that contains an explosive but no bullet  (Soldiers fired blanks into the crowd.)  (- see also draw a blank draw1 (36)) - blankness n ~3 v 1 AmE to be suddenly unable to remember something  (I blanked in the oral exam.) 2 BrE spoken to ignore someone who you would usually greet or speak to  (Why did she blank Phil when he came in?) blank sth out phr v informal 1 to cover something so that it cannot be seen  (The actual names had been blanked out.) 2 to completely forget something, especially deliberately  (I tried to blank out everything he had said from my mind.)