Level 5 · word 10,828 of 20,000

unwritten

/ənˈrɪtən/ American
  • adj. 不成文的, 口头的
Definition
  • adj. not written down but generally understood, agreed on, or spoken
Example
There is an unwritten rule that you arrive early for meetings.
开会要提前到场,这是一条不成文的规矩。