Definition of proportionality noun from the Oxford Advanced American Dictionary

 

proportionality

 noun
noun
NAmE//prəˌpɔrʃəˈnælət̮i//
 
[uncountable](formal)
 
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the principle that an action, a punishment, etc. should not be more severe than is necessary A major exception to the principle of proportionality relates to the sentencing of offenders for violent and sexual offenses.
See the Oxford Advanced Learner's Dictionary entry: proportionality