1. to refuse to allow or permit; to reject as invalid or unacceptable

Examples

• The referee disallowed the goal due to an offside violation.
• The judge disallowed the evidence because it was obtained illegally.
• School policy disallows cell phone use during class.
• The insurance company disallowed her claim for damages.
• The teacher disallowed late submissions without a valid excuse.
• The court disallowed the defendant’s motion to dismiss the case.