a policy of very strict, uncompromising enforcement of rules or laws.
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British Dictionary definitions for zero tolerance
- the policy of applying laws or penalties to even minor infringements of a code in order to reinforce its overall importance
- (as modifier)a zero-tolerance policy on drugs
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012