Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “prohibit”

prohibit

verb [T]
 
 
/prəʊˈhɪbɪt/ formal
B2 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 Forbidding and banning things
prohibition
 
 
/ˌprəʊhɪˈbɪʃən/ noun [U]
the prohibition of drugsForbidding and banning thingsRules and laws
(Definition of prohibit from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “prohibit” in other dictionaries

Word of the Day

flair

natural ability to do something well

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More