Moving with speed, rapidity or swiftness, or capable of doing so; rapid; fast.
He's a quick runner.
Occurring in a short time; happening or done rapidly.
That was a quick meal.
Lively, fast-thinking, witty, intelligent.
You have to be very quick to be able to compete in ad-lib theatrics.
Mentally agile, alert, perceptive.
My father is old but he still has a quick wit.
Of temper: easily aroused to anger; quick-tempered.
He is wont to be rather quick of temper when tired.
Alive, living.
Pregnant, especially at the stage where the foetus's movements can be felt; figuratively, alive with some emotion or feeling.
Of water: flowing.
Burning, flammable, fiery.
Fresh; bracing; sharp; keen.
(of a vein of ore) productive; not "dead" or barren