Simple Definition of disallow
: to refuse to allow (something) : to officially decide that (something) is not acceptable or valid
Full Definition of disallow
1 : to deny the force, truth, or validity of
2 : to refuse to allow
disallowanceplay \-ən(t)s\ noun
Examples of disallow in a sentence
The touchdown was disallowed because of a penalty.
<disallowing the philosophical concept of free will>
First Known Use of disallow
Legal Definition of disallow
1 : to deny the truth, force, or validity of <disallowed the deduction> <disallow a bankruptcy claim>
2 : to refuse to allow <disallow payment of benefits>
Seen and Heard
What made you want to look up disallow? Please tell us where you read or heard it (including the quote, if possible).