Deteriorate (6)
'deteriorate' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for worsen that I've seen before include "Become more inferior" , "Become less well" , "Deteriorate for owners" , "Go to pot" , "Aggravate" .)
'deteriorate' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for go to pot that I've seen before include "Deteriorate through neglect" , "Approach snooker table" , "Fall into neglect" , "If you want a cup of tea" , "run down" .)
'deteriorate' is the definition.
(I know that go to pot is a type of deteriorate)
This is all the clue.