- 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 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.
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NAmE//prəˈhɪbət//, NAmE//proʊˈhɪbət//(formal)Verb Forms present simple I / you / we / they prohibit
,he / she / it prohibits
,past simple prohibited
,-ing form prohibiting