Breathing (5)
'breathing' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for alive that I've seen before include "Go or walk briskly" , "Teeming (with)" , "surviving" , "Vital, vibrant" , "Existing - vigorous" .)
'breathing' is the definition.
(I know that breathing can be written as respiration)
This is all the clue.
(Other definitions for respiration that I've seen before include "Breathing" , "See 1" .)