dullness

noun7

1. •
   The quality of being uninteresting; boring; humorless or irksome.

   • If to raise malicious smiles at the infirmities or misfortunes of those who have never injured us be the province of wit or Humour, Heaven grant me a double Portion of Dullness— — 1777
2. •
   Lack of interest or excitement.
3. •
   The quality of being slow of understanding things.
4. •
   The quality of not perceiving or kenning things distinctly.
5. •
   The lack of visual brilliance; want of sheen.
6. •
   bluntness.
7. •
   (no longer used) Drowsiness.

   • Prospero: […]Thou art inclin'd to sleep. 'Tis a good dulness, / And give it way— I know thou canst not choose. — 1610