blank check

See more synonyms for blank check on Thesaurus.com
noun
  1. a bank check bearing a signature but no stated amount.
  2. unrestricted authority; a free hand: He was given a blank check in the choice of personnel for the new department.

Origin of blank check

First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for blank check

license, permission, permit, say-so

Idioms and Phrases with blank check

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]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.