Source : Webster's Revised Unabridged Dictionary (1913)

Brusqueness \Brusque"ness\, n.
   Quality of being brusque; roughness joined with promptness;
   bluntness. --Brit. Quar.

Source : WordNet®

brusqueness
     n : an abrupt discourteous manner [syn: {abruptness}, {curtness},
          {gruffness}, {shortness}]