Final answer:
Prior restraint is the term described as illegal restraint in the context of torts. It refers to a government action that stops someone from doing something before they are able to do it. It is considered unconstitutional in most cases.
Step-by-step explanation:
The term described as illegal restraint in the context of torts is prior restraint. Prior restraint refers to a government action that stops someone from doing something before they are able to do it. It is considered unconstitutional in most cases because it violates the First Amendment right to freedom of speech and freedom of the press. However, there are some circumstances where the use of prior restraint may be considered appropriate, such as in cases involving national security or protecting the integrity of ongoing legal proceedings.