Having no shine or lustre; dull.
Not exceptional; not worthy of special merit, attention, or interest; having no vitality.
Lacking brilliance or intelligence.
Lack of brightness or points of interest.
A person or thing of no particular brilliance or intelligence.
Plain, dull, lifeless.
Having only one color, represented by differing hues and tints. For example shades in a black and white television.
Perceptive of only one color; unable to distinguish colors; total color blindness.