Not keen (4)
I believe the answer is:
dull
(Other definitions for dull that I've seen before include "Overcast or uninteresting" , "Drab" , "Monotonous" , "Lusterless or uninteresting" , "mat" .)
I believe the answer is:
dull
(Other definitions for dull that I've seen before include "Overcast or uninteresting" , "Drab" , "Monotonous" , "Lusterless or uninteresting" , "mat" .)