Related Clues:

• Dull speaker
• Speak in a monotone
• Hum, e.g.
• Certain queen's subject
• Hive dweller
• Corporate flunky
• Annoying sound
• Male bee
• Military reconnaissance tool
• White noise
• Bagpipes noise
• Boring speaking voice
• Hum
• Monotonous sound
• Bagpipe sound