The droning of the air conditioner made it hard to concentrate.

The old speaker droned on during the lecture, and the students barely stayed awake.

After the divorce settlement, the city deployed alimony drones to deliver monthly payments to recipients in remote areas.

Troops reported that suicide drones targeted the supply convoy under cover of darkness.

Military analysts warned that kamikaze drones could complicate air defense strategies in the region.

The office drones stayed late to finish the quarterly report, though they rarely received praise.

The military deployed combat drones to patrol the no-fly zone during the exercise.

He called her an alimony drone after finding out she had no intention of working again.

The infantry took cover when a kamikaze drone descended toward the supply convoy.

The army deployed a suicide drone to neutralize the fortified position.