unwritten

Part of the historic legal case hinged on the interpretation of an "unwritten duty of care" that exists under Dutch law, which requires companies to prevent hazardous negligence.

“These things are the unwritten statistics that made Fernando the person, the human being, the man that he was.”

Brett Baier was judged to be an unfair prosecutor who cheated the unwritten rules of how you do this.

The unwritten rule to only bet foreign horses in Breeders’ Cup turf races was three for three, with all the winners coming from Ireland.

Many of the longtime locals are aware when he does, but there is an unwritten code of silence not to reveal this — or his parents’ address — to the media.