ban
n. countablen. an official rule that says people are not allowed to do, use, or have something. It is a strong way to stop an activity or a product.
n. an official or legal prohibition of a particular action, substance, or entity. Often issued by a governing body or regulatory authority.
The city has a ban on smoking in public parks.
The government recently announced a total ban on the sale of single-use plastic bags to reduce ocean pollution.
Despite the nationwide ban on the substance, researchers argued that its controlled use in clinical trials could yield significant breakthroughs in treating chronic pain.
Commonly followed by the preposition 'on' to indicate the prohibited item or activity.
a ban of smokinga ban on smokingThe noun 'ban' takes the preposition 'on' rather than 'of' when introducing the subject of the prohibition.