Here are the possible solutions for dull as a light clue
Answer
Clue
Relevancy
blah
Clue
Dull, dull, dull
Definition
to talk stupidly or insipidly
drab
Clue
Dull-colored, or just plain dull
Definition
dull and monotonous
dim
Clue
Dull, as a light
Definition
to reduce the light of
glorybeam
Clue
"The light" of "I saw the light!"?
laser
Clue
Light in a light show
Light-show light
Light show light
Light in a light show, perhaps
Definition
a source of high-intensity optical, infrared, or ultraviolet radiation produced as a result of stimulated emission maintained within a solid, liquid, or gaseous medium
