quicker

adjective

• 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