forbid

verb

1. 1

   To disallow; to proscribe.

   “Smoking in the restaurant is forbidden.”

2. 2

   (ditransitive) To deny, exclude from, or warn off, by express command.

3. 3

   To oppose, hinder, or prevent, as if by an effectual command.

   “An impassable river forbids the approach of the army.”

4. 4

   To accurse; to blast.

5. 5

   To defy; to challenge.

   “What part of "no" do you forbid to understand?”