- If a piece of paper or something else is blank, it has nothing written on it.
- I asked Bill for a blank piece of paper, but he gave me one with writing on it.
- I thought he would sign the check, but he left it blank.
- The computer screen was completely blank because the computer was off.
- (countable) A blank is a space or line on a piece of paper or somewhere else where a word or phrase is supposed to be.
- Fill in the blanks on the legal form.