The power or right vested in one branch of a government to cancel or postpone the decisions, enactments, etc., of another branch, especially the right of a president, governor, or other chief executive to reject bills passed by the legislature.

The president exercised his veto to block the new tax legislation.

An authoritative prohibition or rejection of a proposed or intended act.

The board issued a veto on the proposed merger due to financial concerns.

A document or message conveying such a decision.

The senator received a veto from the governor regarding the new policy.

vetoverb

To reject or prohibit a decision or proposal made by a law-making body.

The president decided to veto the bill passed by Congress.

To exercise a right to reject a decision or proposal.

The board members voted on the new policy, but the chairman chose to veto it.

vetoadjective

Relating to or conferring the power to veto; possessing veto authority.

The committee met in a veto session to consider the budget amendments.