DULLNESS

dullness|dulness. Dullness, or Dulness, n. stupidity, sluggishness, heaviness, dimness, bluntness

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Dull″ness, n. The state of being dull; slowness; stupidity; heaviness; drowsiness; bluntness; obtuseness; dimness; want of luster; want of vividness, or of brightness. [Written also dulness.] And gentle dullness ever loves a joke. Pope.