unwritten adjective4 •Not written.The most important rule is unwritten but not unspoken. It is the rule of pronounceability. Sure, xzyqt looks grand, but how do you say it? — 2002 •Implicit or understood but not formally articulated.It's an unwritten rule that you lock the gate when you leave the swimming pool. •Oral or otherwise communicated without writing."Our language is unwritten and our history and our deeds are passed down from father to son," Wazir Ghulam Mahdi told me. — 1987 •Containing no writing; blank.
