unwritten (adj.)
- acknowledged
- articulated
- conventional
- customary
- established
- fixed
- hallowed
- heroic
- hoary
- immemorial
- inveterate
- legendary
- lingual
- linguistic
- long-standing
- mythological
- oral
- prescriptive
- pronounced
- received
- recognized
- rooted
- said
- silent
- sounded
- spoken
- time-honored
- traditional
- true-blue
- undeclared
- understood
- unexpressed
- unpublished
- unrecorded
- unsaid
- unspoken
- unsung
- untold
- unuttered
- unvoiced
- uttered
- venerable
- verbal
- vocal
- voiced
- word-of-mouth
- wordless
- worshipful
There is a written and an unwritten law. The one by which we regulate our constitutions in our cities is the written law; that which arises from custom is the unwritten law.