Also found in: Dictionary, Thesaurus, Financial, Wikipedia.
Related to blank check: Blank check company
a blank check
1. Literally, a check presented to someone with the amount left blank, so that it can be written out for the desired total. Mom, can you give me a blank check so I can fill it out when I buy my school supplies?
2. By extension, the freedom or permission to spend as much money or use as much resources as needed in pursuit of a desire or goal. The company was having a difficult time retaining good employees so the manager was given a blank check to increase salaries and restructure his department. After the fifth murder, the city's police officers were given a blank check to use whatever resources they needed in order to find the serial killer before he struck again.
freedom or permission to act as one wishes or thinks necessary. He's been given a blank check with regard to reorganizing the workforce. The new manager has been given no detailed instructions about how to train the staff. He just has a blank check.
Unrestricted authority, a free hand, as in I'll support most of the chairman's agenda, but I'm not ready to give him a blank check for the company's future . Literally this term signifies a bank check that is signed by the drawer but does not indicate the amount of money, which is filled in by the person to whom it is given. [Late 1800s]