Morbid fear (6)
![Ross](/clue/static/ross-mug.min.png)
'morbid fear' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for phobia that I've seen before include "Obsessive and persistent fear of something" , "15 [EUROPHOBE] 's problem" , "A lasting abnormal fear of smoething" , "Abnormal lasting fear or anxiety" , "Irrational fear (of thing)" .)
(Other definitions for dread that I've seen before include "Anticipate with fear" , "Apprehensive fear" , "Terror" , "Be scared of" , "Anticipate fearfully" .)