If a law or someone in authority prohibits something, they forbid it or make it illegal. a law that prohibits tobacco advertising in newspapers and magazines Fishing is prohibited Federal law prohibits foreign airlines from owning more than 25% of any U.S. airline. permit + prohibition pro·hi·bi·tion the prohibition of women on air combat missions
command against; "I forbid you to call me late at night"; "Mother vetoed the trip to the chocolate store"
To forbid by authority; to interdict; as, God prohibited Adam from eating of the fruit of a certain tree; we prohibit a person from doing a thing, and also the doing of the thing; as, the law prohibits men from stealing, or it prohibits stealing