If an armed force interdicts something or someone, they stop them and prevent them from moving. If they interdict a route, they block it or cut it off.
1. an ecclesiastical censure by the Roman Catholic Church withdrawing certain sacraments and Christian burial from a person or all persons in a particular district
2. a court order prohibiting a party from doing a certain activity
Verb
1. destroy by firepower, such as an enemy's line of communication
2. command against;
"I forbid you to call me late at night""Mother vetoed the trip to the chocolate store"