Accelerate (4,2,5)
'accelerate' is the definition.
(I know that accelerate can be written as speed up)
This is all the clue.
(Other definitions for speed up that I've seen before include "Get faster" , "go faster!" , "Make rate even higher" , "Work faster" , "put foot down" .)
(Other definitions for step on the gas that I've seen before include "Drive faster" , "Hurry" , "Speed up" .)
'accelerate' is the definition.
(I've seen this before)
This is the entire clue.
(Another definition for pick up speed that I've seen is " Accelerate".)
'accelerate' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for hasten that I've seen before include "Athens (anag.)" , "Rush" , "Hurry up in old-fashioned way" , "Make faster" , "dash" .)