veto

nouns

a vote that blocks a decision
is a type of (narrower)
a choice that is made by counting the number of people in favor of each alternative
"there were only 17 votes in favor of the motion"; "they allowed just one vote per person"
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)
is a type of (narrower)
possession of controlling influence
"the deterrent power of nuclear weapons"; "the power of his love saved her"; "his powerfulness was concealed by a gentle facade"

verbs

vote against; refuse to endorse; refuse to assent
"The President vetoed the bill"
command against
"I forbid you to call me late at night"; "Mother vetoed the trip to the chocolate store"; "Dad nixed our plans"