1. the quality or state of being fleet; swiftness or speed

Examples

• The cheetah's fleetness allows it to catch prey on the savanna.
• She admired the fleetness of the runner as he sprinted across the finish line.
• The fleetness of the horse made it an ideal choice for the cavalry.
• His fleetness of foot helped him escape the pursuing crowd.
• The fleetness with which the news spread surprised everyone.
• Ancient poets praised the fleetness of the gods.