Noun
1. a law forbidding the sale of alcoholic beverages;
"in 1920 the 18th amendment to the Constitution established prohibition in the US"2. a decree that prohibits something
3. the period from 1920 to 1933 when the sale of alcoholic beverages was prohibited in the United States by a constitutional amendment
4. refusal to approve or assent to
5. the action of prohibiting or inhibiting or forbidding (or an instance thereof);
"they were restrained by a prohibition in their charter""a medical inhibition of alcoholic beverages""he ignored his parents' forbiddance"