nullify

US /ˈnʌl.ə.faɪ/
UK /ˈnʌl.ə.faɪ/
"nullify" picture
1.

使无效, 废除, 取消

make legally null and void; invalidate

:
The contract was nullified due to a technicality.
合同因技术原因被作废
The new law will nullify the previous regulations.
新法律将废除先前的规定。
2.

抵消, 使无效, 使失去价值

make of no use or value; cancel out

:
The strong winds nullified the effect of the sails.
强风抵消了船帆的作用。
His efforts were nullified by a lack of support.
他的努力因缺乏支持而付诸东流