Related Clues:

• Buzz
• Stingless flier
• Hive member
• Remotely controlled craft
• Pilotless plane
• Pilotless aircraft
• Motor sound
• Be a poor public speaker
• Flying toy
• Buzzing sound
• Dull speaker
• Speak in a monotone
• Hum, e.g.
• Certain queen's subject
• Hive dweller