Search Result for "obtuseness": 
Wordnet 3.0

NOUN (2)

1. the quality of being slow to understand;
[syn: dullness, obtuseness]

2. the quality of lacking a sharp edge or point; 



The Collaborative International Dictionary of English v.0.48:

Obtuseness \Ob*tuse"ness\, n.
   State or quality of being obtuse.
   [1913 Webster]


WordNet (r) 3.0 (2006):

obtuseness
    n 1: the quality of being slow to understand [syn: dullness,
         obtuseness]
    2: the quality of lacking a sharp edge or point [ant:
       acuteness]