Related Clues:

• Ban
• 'Don't come any closer!'
• Organ knob
• Don't go on
• Company command
• Break off
• Sign on the corner
• Knock it off
• Sentry's command
• 'Don't take another step!'
• Word with it, up or sign
• Desist
• Go no farther
• 'Hold it right there!'
• Standstill