资料来源 : Webster's Revised Unabridged Dictionary (1913)

Numb \Numb\, v. t. [imp. & p. p. {Numbed}; p. pr. & vb. n.
   {Numbing}.]
   To make numb; to deprive of the power of sensation or motion;
   to render senseless or inert; to deaden; to benumb; to
   stupefy.

         For lazy winter numbs the laboring hand. --Dryden.

         Like dull narcotics, numbing pain.       --Tennyson.

资料来源 : WordNet®

numbing
     adj : causing numbness or insensitivity; "the numbing effect of
           grief"