n.

1. any area of the body that is highly sensitive to pain (as the flesh underneath the skin or a fingernail or toenail)

adj.

1. accomplished rapidly and without delay;
   speedy
   
   • was quick to make friends
   • his quick reaction prevented an accident
   • hoped for a speedy resolution of the problem
   • a speedy recovery
   • he has a right to a speedy trial
2. hurried and brief;
   flying, fast
   
   • paid a flying visit
   • took a flying glance at the book
   • a quick inspection
   • a fast visit
3. moving quickly and lightly;
   agile, nimble, spry
   
   • sleek and agile as a gymnast
   • as nimble as a deer
   • nimble fingers
   • quick of foot
   • the old dog was so spry it was halfway up the stairs before we could stop it
4. apprehending and responding with speed and sensitivity;
   ready
   
   • a quick mind
   • a ready wit
5. performed with little or no delay;
   immediate, prompt, straightaway
   
   • an immediate reply to my letter
   • prompt obedience
   • was quick to respond
   • a straightaway denial
6. easily aroused or excited;
   warm
   
   • a quick temper
   • a warm temper

adv.

1. with little or no delay;
   promptly, quickly
   
   • the rescue squad arrived promptly
   • come here, quick!