QUICKNESS

celerity, quickness, rapidity, rapidness, speediness

(noun) a rate that is rapid

adeptness, adroitness, deftness, facility, quickness

(noun) skillful performance or ability without difficulty; “his quick adeptness was a product of good design”; “he was famous for his facility as an archer”

Source: WordNet® 3.1

Etymology

Noun

quickness (countable and uncountable, plural quicknesses)

rapidity of movement or activity; agility or dexterity

Source: Wiktionary

Quick"ness, n.

1. The condition or quality of being quick or living; life. [Obs.] Touch it with thy celestial quickness. Herbert.

2. Activity; briskness; especially, rapidity of motion; speed; celerity; as, quickness of wit. This deed . . . must send thee hence With fiery quickness. Shak. His mind had, indeed, great quickness and vigor. Macaulay.

3. Acuteness of perception; keen sensibility. Would not quickness of sensation be an inconvenience to an animal that must lie still Locke

4. Sharpness; pungency of taste. Mortimer.

Syn.

– Velocity; celerity; rapidity; speed; haste; expedition; promptness; dispatch; swiftness; nimbleness; fleetness; agility; briskness; liveliness; readiness; sagacity; shrewdness; shrewdness; sharpness; keenness.

Source: Webster’s Unabridged Dictionary 1913 Edition