The meaning of VETO is an authoritative prohibition : interdiction. How to use veto in a sentence.

VETO definition: 1. an official power or right to refuse to accept or allow something: 2. to refuse to allow…. Learn more.

A veto is a legal power to unilaterally stop an official action. In the most typical case, a president or monarch vetoes a bill to stop it from becoming law. In many countries, veto powers are established in the country's constitution.

VETO meaning: 1 : a decision by a person in authority to not allow or approve something (such as a new law); 2 : the right or power of a person in authority to decide that something (such as a new law) will not be approved

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 …

If someone in authority puts a veto on something, they forbid it, or stop it being put into action. The veto was a calculated political risk. American English : veto / ˈvitoʊ /

veto - the power or right to prohibit or reject a proposed or intended act (especially the power of a chief executive to reject a bill passed by the legislature)