The Collaborative International Dictionary of English v.0.48:

torture \tor"ture\, v. t. [imp. & p. p. tortured
   (t[^o]r"t[-u]rd; 135); p. pr. & vb. n. tTorturing.] [Cf. F.
   Torturer. ]
   1. To put to torture; to pain extremely; to harass; to vex.
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   2. To punish with torture; to put to the rack; as, to torture
      an accused person. --Shak.
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   3. To wrest from the proper meaning; to distort. --Jar.
      Taylor.
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   4. To keep on the stretch, as a bow. [Obs.]
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            The bow tortureth the string.         --Bacon.
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WordNet (r) 3.0 (2006):

tortured
    adj 1: experiencing intense pain especially mental pain; "an
           anguished conscience"; "a small tormented schoolboy"; "a
           tortured witness to another's humiliation" [syn:
           anguished, tormented, tortured]

Moby Thesaurus II by Grady Ward, 1.0:

49 Moby Thesaurus words for "tortured":
   affected, afflicted, agonized, biased, clawed, convulsed, cooked,
   crucified, devoured by, distressed, doctored, garbled, harrowed,
   hurt, hurting, imbued with, impressed, impressed with, in distress,
   in pain, lacerated, lancinated, martyred, martyrized, misquoted,
   misrepresented, moved, obsessed, obsessed by, on the rack, pained,
   penetrated with, perverted, racked, ripped, savaged, seized with,
   slanted, strained, stricken, suffering, tormented, torn, touched,
   twisted, under the harrow, wounded, wracked, wrung