'Unlawful' in the Bible

And he said unto them, Ye know how that it is an unlawful thing for a man that is a Jew to keep company, or come unto one of another nation; but God hath shewed me that I should not call any man common or unclean.

They are publicly teaching customs which are unlawful for us, as Romans, to accept or observe.”

"This man," they said, "is inducing people to offer unlawful worship to God."