Harassing labour; trouble; disturbance.
A state of great disorder or uncertainty.
A person or body of objects or events sweeping violently onward.
A violent windstorm of limited extent, as the tornado, characterized by an inward spiral motion of the air with an upward current in the center; a vortex of air. It usually has a rapid progressive motion.
Rapid and minimal: a whirlwind tour, a whirlwind romance.