1. 
2. 
[syn: Byzantine, convoluted, involved, knotty, tangled, tortuous]
The Collaborative International Dictionary of English v.0.48:
Tangle \Tan"gle\, v. t. [imp. & p. p. Tangled; p. pr. & vb. n.
   Tangling.] [A frequentative fr. tang seaweed; hence, to
   twist like seaweed. See Tang seaweed, and cf. Tangle, n.]
   1. To unite or knit together confusedly; to interweave or
      interlock, as threads, so as to make it difficult to
      unravel the knot; to entangle; to ravel.
      [1913 Webster]
   2. To involve; to insnare; to entrap; as, to be tangled in
      lies. "Tangled in amorous nets." --Milton.
      [1913 Webster]
            When my simple weakness strays,
            Tangled in forbidden ways.            --Crashaw.
      [1913 Webster]
WordNet (r) 3.0 (2006):
tangled
    adj 1: in a confused mass; "pushed back her tangled hair"; "the
           tangled ropes" [ant: untangled]
    2: highly complex or intricate and occasionally devious; "the
       Byzantine tax structure"; "Byzantine methods for holding on
       to his chairmanship"; "convoluted legal language";
       "convoluted reasoning"; "the plot was too involved"; "a
       knotty problem"; "got his way by labyrinthine maneuvering";
       "Oh, what a tangled web we weave"- Sir Walter Scott;
       "tortuous legal procedures"; "tortuous negotiations lasting
       for months" [syn: Byzantine, convoluted, involved,
       knotty, tangled, tortuous]
Moby Thesaurus II by Grady Ward, 1.0:
38 Moby Thesaurus words for "tangled":
   Byzantine, balled up, complex, complicated, confounded, confused,
   convoluted, crabbed, daedal, devious, elaborate, embrangled,
   entangled, fouled up, implicated, intricate, involuted, involved,
   knotted, labyrinthian, labyrinthine, loused up, many-faceted,
   matted, mazy, meandering, messed up, mixed up, mucked up,
   multifarious, perplexed, ramified, roundabout, screwed up, snarled,
   subtle, tangly, twisted