prohibit

verb

pro·​hib·​it prō-ˈhi-bət How to pronounce prohibit (audio)
prə-
prohibited; prohibiting; prohibits
Synonyms of prohibitnext

transitive verb

1
: to forbid by authority : enjoin
2
a
: to prevent from doing something
b
Choose the Right Synonym for prohibit

forbid, prohibit, interdict, inhibit mean to debar one from doing something or to order that something not be done.

forbid implies that the order is from one in authority and that obedience is expected.

smoking is forbidden in the building

prohibit suggests the issuing of laws, statutes, or regulations.

prohibited the sale of liquor

interdict implies prohibition by civil or ecclesiastical authority usually for a given time or a declared purpose.

practices interdicted by the church

inhibit implies restraints or restrictions that amount to prohibitions, not only by authority but also by the exigencies of the time or situation.

conditions inhibiting the growth of free trade

Examples of prohibit in a Sentence

The rules prohibit dating a coworker. The prison's electric fence prohibits escape.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Chung Hyeon, the 2018 Australian Open semifinalist who saw Achilles and back injuries derail his career, and Kwon Soon-woo, whose ranking has been depressed by military service that prohibits his playing outside South Korea, stunning Argentina. James Hansen, New York Times, 9 Feb. 2026 The new restrictions, which took effect last week, prohibit people from carrying open containers and stop vendors from selling alcohol outdoors. Abby Dodge, CBS News, 8 Feb. 2026 State legislation under consideration would prohibit the sale of new handguns that are designed to be easily converted into fully automatic weapons. Cindy Camp, Baltimore Sun, 8 Feb. 2026 But Ritter delivered a brief but direct speech from the dais on the following day regarding decorum in the chamber, saying that the House rules prohibit overtly political displays by either legislators or the general public in the upstairs gallery. Christopher Keating, Hartford Courant, 8 Feb. 2026 See All Example Sentences for prohibit

Word History

Etymology

Middle English, from Latin prohibitus, past participle of prohibēre to keep off, from pro- forward + habēre to hold — more at pro-, give

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of prohibit was in the 15th century

Browse Nearby Words

Cite this Entry

“Prohibit.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prohibit. Accessed 14 Feb. 2026.

Kids Definition

prohibit

verb
pro·​hib·​it prō-ˈhib-ət How to pronounce prohibit (audio)
1
: to forbid by authority
prohibit parking
2
: to make impossible
the high walls prohibit escape

More from Merriam-Webster on prohibit

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster