Related Clues:

• Blackout
• Authoritative order
• Rule out
• Bar
• Interdict
• 'Turkey on white, hold the mayo,' e.g.
• Put the kibosh on
• Cessation
• Proscription
• Keep out
• Blackball
• Judge's seat
• See 39-Across
• Corinthian, for one
• Steak medium-rare, e.g.