Like ditchwater? (4)
I believe the answer is:
dull
(Other definitions for dull that I've seen before include "Lacking brightness" , "Gloomy" , "Lacking variety" , "Overcast or uninteresting" , "mat" .)
I believe the answer is:
dull
(Other definitions for dull that I've seen before include "Lacking brightness" , "Gloomy" , "Lacking variety" , "Overcast or uninteresting" , "mat" .)