Antonyms of noun obtuseness

1 of 2 senses of obtuseness

Sense 2
obtuseness -- (the quality of lacking a sharp edge or point)
       Antonym of acuteness (Sense 3)
      => acuteness -- (the quality of having a sharp edge or point)

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

2 senses of obtuseness

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

Sense 2
obtuseness -- (the quality of lacking a sharp edge or point)
       => dullness, bluntness -- (without sharpness or clearness of edge or point; "the dullness of the pencil made his writing illegible")