1. official prohibitions or bans on something
Usage: formal; legal
2. acts of intercepting and stopping something, especially illegal goods or activities
Usage: law enforcement; military

Examples

• The government issued interdictions against the import of certain chemicals.
• Drug interdictions at the border have increased this year.
• Military interdictions prevented enemy supplies from reaching their destination.
• The court’s interdictions effectively shut down the illegal operation.
• Coast Guard interdictions of smuggling vessels are common in these waters.
• New interdictions were placed on fishing in protected marine areas.