quick(adjective)

done, said, finished etc in a short time

a quick trip into town.

quick(adjective)

moving, or able to move, with speed

He's a very quick walker; I made a grab at the dog, but it was too quick for me.

quick(adjective)

doing something, able to do something, or done, without delay; prompt; lively

He is always quick to help; a quick answer; He's very quick at arithmetic.

quick(adverb)

quickly

quick-frozen food.