Definition of prohibit verb from the Oxford Advanced American Dictionary

      

    prohibit

     verb
    verb
    NAmE//prəˈhɪbət//
     
    , NAmE//proʊˈhɪbət//
     
    (formal)Verb Forms present simple I / you / we / they prohibit
     
    ,
     
    he / she / it prohibits
     
    ,
     
    past simple prohibited
     
    ,
     
    -ing form prohibiting
     
    ,
     
     
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  1. 1[often passive] to stop something from being done or used, especially by law synonym forbid prohibit something a law prohibiting the sale of alcohol prohibit somebody from doing something Trademark law prohibits companies from using marks similar to existing ones.
  2. 2 prohibit something/somebody from doing something to make something impossible to do synonym prevent The high cost of equipment prohibits many people from taking up this sport.
See the Oxford Advanced Learner's Dictionary entry: prohibit