The meaning of ILLEGAL is not according to or authorized by law : contrary to or in violation of a law : unlawful, illicit; also : not sanctioned by official rules (as of a game).
Feb 23, 2026 · According to Black's Law Dictionary (2nd edition), "illegal" may mean only that something lacks authority of the law or support from law (that is, that it's not leg
1. Prohibited by law. 2. Prohibited by official rules: an illegal pass in football. 3. Unacceptable to or not performable by a computer: an illegal operation.
Something illegal is against the law or breaks the rules. If you're reading this in jail, you've probably done something illegal, and if you're not in jail, there's plenty of time
If something is illegal, the law says that it is not allowed. It is illegal to intercept radio messages. Birth control was illegal there until 1978. He has been charged with member