| noun | any area of the body that is highly sensitive to pain (as the flesh underneath the skin or a fingernail or toenail) |
| adjective | accomplished rapidly and without delay “was quick to make friends” |
| adjective | hurried and brief “paid a flying visit” |
| adjective | moving quickly and lightly “sleek and agile as a gymnast” |
| adjective | apprehending and responding with speed and sensitivity “a quick mind” |
| adjective | performed with little or no delay “an immediate reply to my letter” |
| adjective | easily aroused or excited “a quick temper” |
| adverb | with little or no delay “the rescue squad arrived promptly” |
| quickness | noun | a rate that is rapid |
| speediness | noun | a rate that is rapid |
| speed | noun | a rate (usually rapid) at which something happens |
| fastness | noun | a rate (usually rapid) at which something happens |
| agility | noun | the gracefulness of a person or animal that is quick and nimble |
| nimbleness | noun | the gracefulness of a person or animal that is quick and nimble |
| readiness | noun | a natural effortlessness; ; --Jane Austen |
| immediateness | noun | the quickness of action or occurrence |
| promptness | noun | the characteristic of doing things without delay |