Wordnet 3.0
ADJECTIVE (1)
1. 
 of a conditioned response; 
 caused to die out because of the absence or withdrawal of reinforcement; 
The Collaborative International Dictionary of English v.0.48:
destroyed \destroyed\ adj.
   1. p. p. of destroy. [Narrower terms: annihilated,
      exterminated, wiped out(predicate); blasted, desolate,
      desolated, devastated, ravaged, ruined, wasted;
      blighted, spoilt; blotted out, obliterate,
      obliterated; demolished, dismantled, razed; done
      for(predicate), kaput(predicate), gone(prenominal), lost,
      finished(predicate); extinguished; ruined, wiped
      out(predicate), impoverished; totaled, wrecked;
      war-torn, war-worn; despoiled, pillaged, raped,
      ravaged, sacked] Also See: damaged. Antonym:
      preserved
      [WordNet 1.5]
   2. destroyed physically or morally.
   Syn: ruined.
        [WordNet 1.5]
The Collaborative International Dictionary of English v.0.48:
Extinguish \Ex*tin"guish\ ([e^]ks*t[i^][ng]"gw[i^]sh), v. t.
   [imp. & p. p. Extinguished([e^]ks*t[i^][ng]"gw[i^]sht); 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.
      [1913 Webster]
            A light which the fierce winds have no power to
            extinguish.                           --Prescott.
      [1913 Webster]
            This extinguishes my right to the reversion.
                                                  --Blackstone.
      [1913 Webster]
   2. To obscure; to eclipse, as by superior splendor.
      [1913 Webster]
            Natural graces that extinguish art.   --Shak
      .
      [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
extinguished \extinguished\ adj.
   1. (Psychol.) caused to die out because of the absence or
      withdrawal of reinforcement; -- of a conditioned response.
      [WordNet 1.5]
   2. no longer burning; -- of a fire.
   Syn: extinct, out(predicate), quenched.
        [WordNet 1.5]
   3. no longer existing; -- of species.
   Syn: dead.
        [WordNet 1.5]
WordNet (r) 3.0 (2006):
extinguished
    adj 1: of a conditioned response; caused to die out because of
           the absence or withdrawal of reinforcement