Related Clues:

• Put to sleep, maybe
• Tire
• Golfer's target
• Resident of Dullsville
• Ozone problem
• Rabbit's home
• Can you dig it?
• Doughnut feature
• Yawner
• Hardly the life of the party
• Place for an ace?
• Pocket problem
• Pail problem
• Hollow out
• Dullard