As a verb vetoed
As a noun vetoer is
one who exercises the power to refuse approval.
A political right to disapprove of (and thereby stop) the process of a decision, a law etc.
An invocation of that right.
An authoritative prohibition or negative; a forbidding; an interdiction.
* George Eliot
- This contemptuous veto of her husband's on any intimacy with her family.
To use a against.
One who exercises the power to refuse approval.