Related Clues:

• Canceled, as a space launch
• Failure for 7-Down
• Launch cancellation
• *Bit of hair
• Impeded
• Not possible, futile
• Impossible rhymes
• Such an area is forbidden
• NASA postponement
• "Mission aborted"
• Prohibited or barricaded area
• A small number turn in vain
• Prohibited area
• Sealed off
• Futile area