Proscribe (verb)

1. To officially forbid or outlaw something.
2. To forbid or prohibit something by law or rule.
3. To denounce or condemn something as harmful or unacceptable.

Origin:

From latin proscribere, from pro- "forth" + scribere "to write".

Examples:

1. The government proscribed the use of certain drugs.
2. The school proscribed the use of cell phones during class.
3. The dictator proscribed all forms of political opposition.
4. The religion proscribed certain behaviors as sinful.
5. The committee proscribed the use of certain chemicals in food packaging.