extreme intolerance of anti-social behavior (usually by an uncompromising application of the law); "he urged zero tolerance for priests who abuse children sexually"

Zero tolerance is a term used to describe a non-discretionary enforcement policy for the criminal law or informal rules. Under a system of zero tolerance, persons in positions of authority – who might otherwise exercise their discretion in making subjective judgments regarding the severity of a given offense – are instead compelled to act in particular ways and, where relevant, to impose a pre-determined punishment regardless of individual culpability.

Zero Tolerance is a 1994 video game developed by Technopop and published by Accolade in 1994 for the Sega Mega Drive/Genesis console.

new statutes aimed at young drivers, applying an automatic license suspension to a driver of a certain age with any blood-alcohol concentration.