1. The act of prohibiting or the condition of being prohibited.
2. A rule or law that forbids something.
a. The forbidding by law of the manufacture, transportation, and sale of alcoholic beverages.
b. Prohibition The period (1920-1933) during which the 18th Amendment forbidding the manufacture, transportation, and sale of alcoholic beverages was in force in the United States.
(click for a larger image)Prohibition
Director of Public Safety Smedley Butler photographed in 1924 smashing barrels of confiscated beer
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.