Antonyms of noun dullness

2 of 5 senses of dullness

Sense 3
dullness -- (a lack of visual brightness; "the brightness of the orange sky was reflected in the dullness of the orange sea")
       Antonym of brightness (Sense 1)
      => brightness -- (the location of a visual perception along a continuum from black to white)

Sense 5
dullness, bluntness -- (without sharpness or clearness of edge or point; "the dullness of the pencil made his writing illegible")
       Antonym of sharpness (Sense 7)
      => asperity, sharpness -- (harshness of manner)
       Antonym of sharpness (Sense 5)
      => sharpness, keenness -- (thinness of edge or fineness of point)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun dullness

5 senses of dullness

Sense 1
dullness, obtuseness -- (the quality of being slow to understand)
       => stupidity -- (a poor ability to understand or to profit from experience)

Sense 2
dullness -- (the quality of lacking interestingness; "the stories were of a dullness to bring a buffalo to its knees")
       => uninterestingness -- (inability to capture or hold one's interest)

Sense 3
dullness -- (a lack of visual brightness; "the brightness of the orange sky was reflected in the dullness of the orange sea")
       => visual property -- (an attribute of vision)

Sense 4
dullness -- (lack of sensibility; "there was a dullness in his heart"; "without him the dullness of her life crept into her work no matter how she tried to compartmentalize it.")
       => unfeelingness, callousness, callosity, hardness, insensibility -- (devoid of passion or feeling; hardheartedness)

Sense 5
dullness, bluntness -- (without sharpness or clearness of edge or point; "the dullness of the pencil made his writing illegible")
       => shape, form, configuration, contour, conformation -- (any spatial attributes (especially as defined by outline); "he could barely make out their shapes")