[1] : The Collaborative International Dictionary of English v.0.48

deaden \dead"en\ de^d"'n, v. t. imp.  p. p. deadened
   de^d"'nd; p. pr.  vb. n. deadening. from dead; cf.
   as. d?dan to kill, put to death. see dead, a.
   1. to make as dead; to impair in vigor, force, activity, or
      sensation; to lessen the force or acuteness of; to blunt;
      as, to deaden the natural powers or feelings; to deaden a
      sound.
      1913 webster

            as harper lays his open palm
            upon his harp, to deaden its vibrations.
                                                  --longfellow.
      1913 webster

   2. to lessen the velocity or momentum of; to retard; as, to
      deaden a ship's headway.
      1913 webster

   3. to make vapid or spiritless; as, to deaden wine.
      1913 webster

   4. to deprive of gloss or brilliancy; to obscure; as, to
      deaden gilding by a coat of size.
      1913 webster

   5. to render impervious to sound, as a wall or floor; to
      deafen.
      webster 1913 suppl.
see also:
deadened deadening dead 

[2] : WordNet (r) 2.0

deadened
     adj 1: devoid of physical sensation; numb; "his gums were dead from
            the novocain"; "she felt no discomfort as the dentist
            drilled her deadened tooth"; "a public desensitized by
            continuous television coverage of atrocities" syn: dead
     2: made or become less intense; "the deadened pangs of hunger"
see also:
dead 

Deadened >> D Words
Deadened, definition of term: Deadened
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