quick

adjective

• 1moving fast or doing something in a short time:in the qualifying session he was two seconds quicker than his teammate [with infinitive]:he was always quick to point out her faults
• lasting or taking a short time:Brian gave her a quick look we went to the pub for a quick drink
• happening with little or no delay; prompt:children like to see quick results from their efforts

• 2prompt to understand, think, or learn; intelligent:it was quick of him to spot the mistake
• (of a person’s eye or ear) keenly perceptive; alert.
• (of a person’s temper) easily roused.

adverb

• at a fast rate; quickly:he’ll find some place where he can make money quicker [as exclamation]:Get out, quick!

noun

• 1 (the quick) the soft tender flesh below the growing part of a fingernail or toenail.
• the central or most sensitive part of someone or something.

• 2 (as plural noun the quick) archaic those who are living:the quick and the dead

• 3 Cricket, informal a fast bowler.