not allow something
proscribe - forbid
The formal word ‘proscribe’ is used to express the act of condemning something as harmful and making it unlawful. In other words, forbidding it. Such action is taken by those in a position of power and authority, such as a government.
Many believe that the government does not have the right to proscribe speech in a free society, which is why a proposed hate speech law has been met with such hostility.
The school have proscribed the use of mobile phones in the classroom, so teachers have been urged to crack down on such activity.
The suspect was arrested after it was discovered that he was a member of a proscribed organization with links to terror groups.