Zero Tolerance Definition

noun

A law, policy, or practice that provides for the imposition of severe penalties for a proscribed offense or behavior without making exceptions for extenuating circumstances.

American Heritage

An uncompromising policy or position in which some undesirable behavior is not tolerated, to the point that even slight infractions may be severely punished.

Webster's New World

The strict policy of enforcing all the laws of a state, or the rules of an institution, and allowing no toleration or compromise for first-time offenders or petty violations.