Dullness meaning

Its almost complete absence in some of these works makes for monotony and produces a sense of dullness, which may not be inherent in all the details of the music, but is none the less distinctly present.

In philosophy, properly so called, the humanistic scorn for medieval dullness and obscurity swept away theological metaphysics as valueless.

The doctors of the universities were too wedded to their antiquated manuals and methods, too satisfied with dullness, too proud of titles and diplomas, too anxious to preserve ecclesiastical discipline and to repress mental activity, for a genial spirit of humanism to spread freely.

Those choosing replacement blade varieties should dispose of the blades at the first sign of dullness or wear.