Definition of "interdict" in English

noun

1. A papal decree prohibiting the administration of the sacraments from a political entity under the power of a single person (e.g., a king or an oligarchy with similar powers). Extreme unction/Anointing of the Sick is excepted.

2. (Scots law) An injunction.

verb

1. (transitive, Roman Catholicism) To exclude (someone or somewhere) from participation in church services; to place under a religious interdict.

2. (transitive) To forbid (an action or thing) by formal or legal sanction.

3. (transitive) To forbid (someone) from doing something.

4. (transitive, US, military) To impede (an enemy); to interrupt or destroy (enemy communications, supply lines etc).