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

Extinguish \Ex*tin"guish\, v. t. [imp. & p. p. {Extinguished}; p
   pr. & vb. n. {Extinguishing}.] [L. extinguere, exstinguere;
   ex out + stinguere to quench. See {Distinguish}, {Finish}.]
   1. To quench; to put out, as a light or fire; to stifle; to
      cause to die out; to put an end to; to destroy; as, to
      extinguish a flame, or life, or love, or hope, a pretense
      or a right.

            A light which the fierce winds have no power to
            extinguish.                           --Prescott.

            This extinguishes my right to the reversion.
                                                  --Blackstone.

   2. To obscure; to eclipse, as by superior splendor.

            Natural graces that extinguish art.   --Shak
      .

资料来源 : WordNet®

extinguished
     adj : of a conditioned response; caused to die out because of the
           absence or withdrawal of reinforcement