1. a person or thing that drones; something that makes a continuous, monotonous sound
Usage: informal
2. a person who speaks in a dull, tedious manner without variation in tone or pace
Usage: informal

Examples

• The professor was such a droner that half the class fell asleep during the lecture.
• The air conditioner is a constant droner in the background of the office.
• He's a droner when it comes to explaining the rules of the game.
• The old engine sounded like a droner, humming the same note for hours.
• She complained that her boss was a droner who made every meeting unbearably long.