veto
US /ˈviː.t̬oʊ/
UK /ˈviː.t̬oʊ/

1.
a constitutional right to reject a decision or proposal made by a law-making body
:
•
The President exercised his veto power on the new bill.
•
The UN Security Council has the power of veto.
a constitutional right to reject a decision or proposal made by a law-making body