The Collaborative International Dictionary of English v.0.48:

Twist \Twist\ (tw[i^]st), v. t. [imp. & p. p. Twisted; p. pr.
   & vb. n. Twisting.] [OE. twisten, AS. twist a rope, as made
   of two (twisted) strands, fr. twi- two; akin to D. twist a
   quarrel, dissension, G. zwist, Dan. & Sw. tvist, Icel. tvistr
   the deuce in cards, tvistr distressed. See Twice, Two.]
   1. To contort; to writhe; to complicate; to crook spirally;
      to convolve.
      [1913 Webster]

            Twist it into a serpentine form.      --Pope.
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   2. Hence, to turn from the true form or meaning; to pervert;
      as, to twist a passage cited from an author.
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   3. To distort, as a solid body, by turning one part
      relatively to another about an axis passing through both;
      to subject to torsion; as, to twist a shaft.
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   4. To wreathe; to wind; to encircle; to unite by intertexture
      of parts. "Longing to twist bays with that ivy." --Waller.
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            There are pillars of smoke twisted about with
            wreaths of flame.                     --T. Burnet.
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   5. To wind into; to insinuate; -- used reflexively; as,
      avarice twists itself into all human concerns.
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   6. To unite by winding one thread, strand, or other flexible
      substance, round another; to form by convolution, or
      winding separate things round each other; as, to twist
      yarn or thread. --Shak.
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   7. Hence, to form as if by winding one part around another;
      to wreathe; to make up.
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            Was it not to this end
            That thou began'st to twist so fine a story? --Shak.
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   8. To form into a thread from many fine filaments; as, to
      twist wool or cotton.
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The Collaborative International Dictionary of English v.0.48:

Twisted \Twist"ed\, a.
   Contorted; crooked spirally; subjected to torsion; hence,
   perverted.
   [1913 Webster]

   Twisted curve (Geom.), a curve of double curvature. See
      Plane curve, under Curve.

   Twisted surface (Geom.), a surface described by a straight
      line moving according to any law whatever, yet so that the
      consecutive positions of the line shall not be in one
      plane; a warped surface.
      [1913 Webster]

WordNet (r) 3.0 (2006):

twisted
    adj 1: having an intended meaning altered or misrepresented;
           "many of the facts seemed twisted out of any semblance to
           reality"; "a perverted translation of the poem" [syn:
           distorted, misrepresented, perverted, twisted]

Moby Thesaurus II by Grady Ward, 1.0:

219 Moby Thesaurus words for "twisted":
   Byzantine, abnormal, affected, afflicted, agonized, anamorphous,
   anomalous, antiblack, apocryphal, artificial, askew, assumed,
   asymmetric, balled up, bastard, bent, biased, blemished, bogus,
   bowed, brummagem, chauvinistic, checked, cicatrized, cockeyed,
   colorable, colored, complex, complicated, confounded, confused,
   contorted, convoluted, convulsed, cooked, counterfeit,
   counterfeited, crabbed, cracked, crank, crankish, cranky, crazed,
   crazy, crooked, crotchety, crucified, crumpled, crunched, daedal,
   defaced, defective, deformed, deviant, deviative, devious,
   different, disfigured, distorted, distressed, divergent, doctored,
   doctrinaire, dogmatic, dotty, dressed up, dummy, eccentric,
   elaborate, embellished, embrangled, embroidered, entangled,
   erratic, ersatz, exceptional, factitious, fake, faked, falsified,
   faulty, feigned, fey, fictitious, fictive, flaky, flawed,
   fouled up, freakish, funny, garbled, harrowed, hurt, hurting,
   idiocratic, idiosyncratic, illegitimate, imitation, implicated,
   in distress, in pain, influenced, interested, intricate, involuted,
   involved, irregular, jaundiced, junky, keloidal, kinked, kinky,
   knotted, know-nothing, kooky, labyrinthian, labyrinthine,
   lacerated, lopsided, loused up, maggoty, make-believe, man-made,
   many-faceted, marred, martyred, martyrized, matted, mazy,
   meandering, messed up, misquoted, misrepresented, mixed up, mock,
   mucked up, multifarious, nonobjective, nonsymmetric, nutty, odd,
   oddball, on the rack, one-sided, opinionated, pained, partial,
   partisan, peculiar, perplexed, perverted, phony, pimpled, pimply,
   pinchbeck, prejudiced, prepossessed, pretended, pseudo, put-on,
   quasi, queer, quirky, racist, racked, ramified, roundabout,
   scabbed, scabby, scarified, scarred, screwball, screwed up, screwy,
   self-styled, sexist, sham, shoddy, simulated, singular, slanted,
   snarled, so-called, soi-disant, split, sprung, spurious, strained,
   strange, subtle, suffering, superpatriotic, supposititious, swayed,
   synthetic, tangled, tangly, tin, tinsel, titivated, tormented,
   tortuous, tortured, ultranationalist, unauthentic, unconventional,
   under the harrow, undetached, undispassionate, ungenuine,
   unnatural, unreal, unsymmetric, wacky, warped, whimsical, wounded,
   wrung, xenophobic