Noun
dulness (usually uncountable, plural dulnesses)
Archaic spelling of dullness.
Temperance. Eat not to Dulness. Drink not to Elevation. Benjamin Franklin
Peter was dull he was at first Dull,oh so dull, so very dull Whether he talked, wrote, or rehearsed, Still with this dulness was he cursed Dull,beyond all conception, dull. Percy Bysshe Shelley
Who can prove Wit to be witty when with deeper ground Dulness intuitive declares wit dull? George Eliot
In the 1728 version of the poem, the goddess Dulness notes that "Time himself stands still at her command,/ Realms shift their place, and Ocean turns to land" (Dunciad 1728, i, 69 70). Source: Internet