Worry, unease (7)
I believe the answer is:
I believe this is a double definition.
'worry' is the first definition.
(I've seen this before)
'unease' is the second definition.
(I have seen 'Morbid unease ' mean 'anxiety' so perhaps 'unease' could also mean 'anxiety')
(Other definitions for anxiety that I've seen before include "Worry, unease" , "Morbid unease" , "State of apprehension" , "Worry, concern" , "Worry, state of fretfulness" .)