unwritten
/ʌnˈraɪtɪn/Definitions
1. adjective
not written or recorded
“She had many unwritten ideas for her next novel.”
2. noun
a part or aspect of a person’s life that has not been explored or dealt with
“Her unwritten past was full of hidden secrets.”
3. noun
a law, regulation, or agreement that has not been written down
“The unwritten rules of the company were often more important than the formal policies.”