The music was dull, or at least had a dulling effect on me - it didn't sparkle, or ask questions.
It would have worked too, but Moth understood what the delay meant and she stood right outside the window whispering as fast as the words would leave her lips, sharpening him, and dulling the girl.
With The Manifesto of Futurist Cooking, he set out to abolish what he saw as Italy's fattening and mind-dulling addiction to pasta.