Meaning of unwritten law
- a law that rests for its authority on custom, judicial decision, etc., as distinguished from law originating in written command, statute, or decree.
- the supposed principle of the right of the individual to avenge wrongs against personal or family honor, esp. in cases involving relations between the sexes: sometimes urged in justification of persons guilty of criminal acts of vengeance.
- unwritten law (Thesaurus)