The Collaborative International Dictionary of English v.0.48:

entangled \entangled\ adj.
   1. in a confused mass. Contrasted with untangled. [Narrower
      terms: afoul(postnominal), foul, fouled; knotted,
      snarled, snarly; matted; rootbound; intertwined]

   Syn: tangled.
        [WordNet 1.5]

   2. deeply involved especially in something problematic; as,
      entangled in the conflict.

   Syn: embroiled.
        [WordNet 1.5]

   3. constrained by or as if by a convoluted rope or net;
      ensnared.
      [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

Entangle \En*tan"gle\, v. t. [imp. & p. p. Entangled; p. pr. &
   vb. n. Entangling.]
   1. To twist or interweave in such a manner as not to be
      easily separated; to make tangled, confused, and
      intricate; as, to entangle yarn or the hair.
      [1913 Webster]

   2. To involve in such complications as to render extrication
      a bewildering difficulty; hence, metaphorically, to
      insnare; to perplex; to bewilder; to puzzle; as, to
      entangle the feet in a net, or in briers. "Entangling
      alliances." --Washington.
      [1913 Webster]

            The difficulties that perplex men's thoughts and
            entangle their understandings.        --Locke.
      [1913 Webster]

            Allowing her to entangle herself with a person whose
            future was so uncertain.              --Froude.
      [1913 Webster]

WordNet (r) 3.0 (2006):

entangled
    adj 1: deeply involved especially in something complicated;
           "embroiled in the conflict"; "felt unwilling entangled in
           their affairs" [syn: embroiled, entangled]
    2: twisted together in a tangled mass; "toiled through entangled
       growths of mesquite"
    3: involved in difficulties