complicated

complicated
    adj 1: difficult to analyze or understand; "a complicated
           problem"; "complicated Middle East politics"
    

Complicate \Com"pli*cate\, v. t. [imp. & p. p. {Complicated}; p.
   pr. & vb. n. {Complicating}.]
   To fold or twist together; to combine intricately; to make
   complex; to combine or associate so as to make intricate or
   difficult.
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         Nor can his complicated sinews fail.     --Young.
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         Avarice and luxury very often become one complicated
         principle of action.                     --Addison.
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         When the disease is complicated with other diseases.
                                                  --Arbuthnot.
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61 Moby Thesaurus words for "complicated":
      Byzantine, Daedalian, abstruse, arduous, balled up, beyond one,
      complex, compound, confounded, confused, convoluted, crabbed,
      cramp, daedal, devious, difficult, elaborate, embrangled,
      entangled, fancy, fouled up, garbled, gordian, hard,
      hard to understand, implicated, intricate, involuted, involved,
      jumbled, knotted, knotty, labyrinthian, labyrinthine, loused up,
      many-faceted, matted, mazy, meandering, messed up, mixed up,
      mucked up, multifarious, obfuscated, obscure, obscured, ornate,
      overtechnical, perplexed, ramified, recondite, roundabout,
      scrambled, screwed up, snarled, sophisticated, subtle, tangled,
      tangly, tough, twisted