Very quick-moving (5)
I believe the answer is:
swift
(Other definitions for swift that I've seen before include "Fleet" , "Quick, prompt" , "like a cheetah?" , "Fast; bird; writer" , "Rapid - writer - bird" .)
I believe the answer is:
swift
(Other definitions for swift that I've seen before include "Fleet" , "Quick, prompt" , "like a cheetah?" , "Fast; bird; writer" , "Rapid - writer - bird" .)