'Forbidden' in the Bible

You did not encroach onto Ammonite land, the banks of the Wadi Jabbok, the towns in the hill country, and all the other places that were forbidden by the LORD our God."

Take heed unto yourselves, lest ye forget the covenant of the LORD your God, which he made with you, and make you a graven image, or the likeness of any thing, which the LORD thy God hath forbidden thee.

You must not eat any forbidden thing.

and has gone to worship other gods by bowing down to the sun, moon, or all the stars in the sky—which I have forbidden—