Definition of quickness :
1. Activity; briskness; especially, rapidity of motion; speed; celerity; as, quickness of wit.
2. Acuteness of perception; keen sensibility.
3. Sharpness; pungency of taste.
4. The condition or quality of being quick or living; life.
quick-wittedness, readiness, fast, expeditiousness, adeptness, rapidness, ability, expedition, agileness, dexterity, dexterousness, nimbleness, mental quickness, dispatch, agility, installation, hustle
haste (part of speech: noun)
cunning (part of speech: noun)
speed (part of speech: noun)
suddenness (part of speech: noun)
wit (part of speech: noun)
drollness, inventiveness, comedy, trickiness, cunningness, humor, astuteness, resourcefulness, cleverness, wit, adroitness, foxiness, brilliance, canniness, urbanity, shrewdness, facility, wiliness, intellect, scurrility, finesse, sharpness, ingeniousness, artfulness, deftness, craftiness, slyness, sophistry, scintillation, irony, subtleness
- His personal sympathy, his profound humanity, his quickness of feeling, his sincerity, his courage, his absolute fidelity of service, even more than his astonishing vigor of intellect and his earnestness in pursuit of truth, made a deep impression on my mind. - "Recollections and Impressions 1822-1890", Octavius Brooks Frothingham.
- Mulford turned his head quickly toward his companion, as if surprised by her quickness of apprehension, but he had too just a sense of his duty to make any reply. - "Jack Tier or The Florida Reef", James Fenimore Cooper.
- Seeing him so, a thing not human, but with all the furtive quickness of an animal and its strength, too, I felt sorry no more. - "The Best Short Stories of 1921 and the Yearbook of the American Short Story", Various.