Related Clues:

• Said no to
• Put the kibosh on
• Discredited, as a theory
• Rejected
• Interdicted
• Shot down
• Blackballed
• Discredited
• Quashed
• Killed, as a bill
• Killed a bill
• Killed, in a way
• Nixed by Nixon, e.g.
• *Nixed
• Cast over-riding negative vote