Hash (4)
'hash' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for stew that I've seen before include "are nervous" , "State of mental agitation (informal)" , "Large watercourse" , "Cook using pot" , "Cook by long slow simmering" .)
'hash' is the definition.
(making a hash of something is making a mess of it)
This is all the clue.
(Other definitions for mess that I've seen before include "An officer's untidy dining room" , "sloppy > food" , "Canteen - muddle" , "4 [DISORDER]" , "State of confusion or untidiness" .)