disqualify
Definitions
To declare someone ineligible for an office, activity, or competition because of an offense or failure to meet requirements.
To deprive someone of a power, right, or privilege.
To make something unsuitable or unfit for a particular purpose.
Examples
The referee had to disqualify the athlete for using a banned performance-enhancing substance.
A minor technical error in the paperwork could disqualify your application from the final selection process.
His aggressive behavior on the field was enough to disqualify him from the remainder of the tournament.