In good health (4)
'in good health' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for well that I've seen before include "Healthy; extremely" , "Very; without difficulty; bore" , "Spring - in good health" , "abundantly" , "Healthy - water supply" .)
'in good health' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for fit that I've seen before include "bout?" , "Ready" , "Healthy; spasm" , "Physically well" , "Appropriate -- not 21" .)