blank check
noun
Definition of blank check
1 : a signed check with the amount unspecified
2 : complete freedom of action or control : carte blanche
From the M-W Editors
First Known Use of blank check
1793
BLANK CHECK Defined for English Language Learners
blank check
noun
Definition of blank check for English Language Learners
-
: a signed check that does not have the amount of money written on it yet
-
: complete control or freedom
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