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.
He is not only dull in himself, but the cause of dullness in others.
Dullness in matters of government is a good sign, and not a bad one - in particular, dullness in parliamentary government is a test of its excellence, an indication of its success.
The only thing about 3-D is the dullness of the image.
I write the way you might arrange flowers. Not every try works, but each one launches another. Every constraint, even dullness, frees up a new design.
This dullness of vision regarding the importance of the general welfare to the individual is the measure of the failure of our schools and churches to teach the spiritual significance of genuine democracy.
Prudent dullness marked him for a mayor.
Dullness is the enemy.
Gentle dullness ever loves a joke.
The devil's name is dullness.