quickness
n. B2 Upper Intermediate US //ˈkwɪknəs// UK //kwˈɪknəs// quick·ness
n. the ability to move or act very fast. It can also describe the speed of something like a computer or a person's mind.
n. the quality of being able to move or act with great speed; the swiftness of a process or response.
The quickness of his response impressed the manager.
The quickness of the computer's processing time allows the team to run complex simulations in minutes.
While the athlete's physical quickness was evident in his acceleration, his mental quickness allowed him to anticipate his opponent's moves before they were executed.
From Middle English quiknes, qwiknes, quyknesse, cwicnesse, equivalent to quick + -ness.