prohibition

noun
UK /ˌprəʊ.ɪˈbɪʃ.ən/
US /ˌproʊ.əˈbɪʃ.ən/

A rule that says you must not do something.

The school has a prohibition on running in the halls.


OTHER MEANINGS

2. A law that forbids making or selling alcohol.

Prohibition changed life in America during the 1920s.

3. The act of officially stopping something.

The prohibition of smoking in restaurants made dining cleaner.

4. An order from a court that stops an action.

The judge issued a prohibition against building on the land.