Related Clues:

• Track in the ground
• It's boring to be in one
• You might get in this at work
• Soft palate resonance
• Retardation caused by friction
• Boring event
• Nighttime noise
• Sound of z's
• Unfast track?
• "What ___!" ("Bummer!")
• Nasal noise
• Bored response
• ___ queen
• Bummer, so to speak
• Resistance to motion