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prohibit

 
 
/prəʊˈhɪbɪt/ verb [T] formal

Definition

to officially forbid something: [often passive] Smoking is prohibited on most international flights. [+ from + doing sth] The new law prohibits people from drinking alcohol in the street. a prohibited substance
prohibition
 
 
/ˌprəʊhɪˈbɪʃən/ noun [U]
when something is prohibited: the prohibition of drugs
(Definition of prohibit verb from the Cambridge Learner's Dictionary © Cambridge University Press)

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