nullify

动词

1. 1

   使无效、废除、撤销法律

   The court nullified the contract because one party was underage.

   法院因其中一方未成年而判定该合约无效。

2. 2

   抵消、使失效

   The extra fees nullified any savings from the discount.

   额外的费用抵消了折扣省下的钱。