You can, I think, have a quiet and steady protagonist and not run the risk of terminal dullness as long as exciting things happen to them and around them, and crime is the ideal genre for making this come about.
Dullness is a kind of luxury.
Too much food results in dullness of mind.
He is not only dull in himself, but the cause of dullness in others.
He is not only dull himself, he is the cause of dullness in others
Dullness is the coming of age of seriousness.
Order - Let all your things have their places; let each part of your business have its time.
Dullness is the only crime for which an editor ought to be hung.
What can he mean by coming among us? He is not only dull himself, but the cause of dullness in others.
The only thing about 3-D is the dullness of the image.