Celerity (5)
'celerity' is the definition.
(I know that celerity can be written as rapidity)
This is the entire clue.
(Other definitions for rapidity that I've seen before include "expedition" , "haste" , "Noun meaning speed or quickness" , "Dispatch" , "Cried" .)
'celerity' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for haste that I've seen before include "Speed, hurry" , "make speed" , "Speediness or rush" , "Overly eager speed" , "Hurriedness" .)