Level 6 · word 19,424 of 20,000

annul

/əˈnʌl/ American
  • v. 废除, 宣布无效, 取消
Definition
  • v. to officially cancel something and declare it no longer legally valid
Example
The couple decided to annul their marriage after only a month.
这对夫妇在结婚仅一个月后就决定宣布婚姻无效。