quick 
(kwĭk)
(kwĭk)adj. quick·er, quick·est
1. Moving or functioning rapidly and energetically; speedy: an animal that is quick enough to escape most predators.
2. Learning, thinking, or understanding with speed and dexterity; bright: a quick mind.
3.
a. Perceiving or responding with speed and sensitivity; keen: quick reflexes.
b. Reacting immediately and sharply: a quick temper.
4.
a. Occurring, achieved, or acquired in a relatively brief period of time: a quick rise through the ranks; a quick profit.
b. Done or occurring immediately: a quick inspection. See Synonyms at fast1.
5. Tending to react hastily: quick to find fault.
6. Archaic
a. Alive.
b. Pregnant.
n.
1. Sensitive or raw exposed flesh, as under the fingernails.
2. The most personal and sensitive aspect of the emotions: The remark cut her to the quick.
3. The living: the quick and the dead.
4. The vital core; the essence: got to the quick of the matter.
adv. quicker, quickest
Quickly; promptly.
[Middle English, alive, lively, quick, from Old English cwicu, alive; see gwei- in the Appendix of Indo-European roots.]
quickly adv.
quickness n.