The Collaborative International Dictionary of English v.0.48:

Disjointed \Dis*joint"ed\, a.
   Separated at the joints; disconnected; incoherent. --
   Dis*joint"ed*ly, adv. -- Dis*joint"ed*ness, n.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Disjoint \Dis*joint"\, v. t. [imp. & p. p. Disjointed; p. pr.
   & vb. n. Disjointing.]
   1. To separate the joints of; to separate, as parts united by
      joints; to put out of joint; to force out of its socket;
      to dislocate; as, to disjoint limbs; to disjoint bones; to
      disjoint a fowl in carving.
      [1913 Webster]

            Yet what could swords or poisons, racks or flame,
            But mangle and disjoint the brittle frame? --Prior.
      [1913 Webster]

   2. To separate at junctures or joints; to break where parts
      are united; to break in pieces; as, disjointed columns; to
      disjoint an edifice.
      [1913 Webster]

            Some half-ruined wall
            Disjointed and about to fall.         --Longfellow.
      [1913 Webster]

   3. To break the natural order and relations of; to make
      incoherent; as, a disjointed speech.
      [1913 Webster]

WordNet (r) 3.0 (2006):

disjointed
    adj 1: lacking orderly continuity; "a confused set of
           instructions"; "a confused dream about the end of the
           world"; "disconnected fragments of a story"; "scattered
           thoughts" [syn: confused, disconnected, disjointed,
           disordered, garbled, illogical, scattered,
           unconnected]
    2: taken apart at the joints; "a disjointed fowl"
    3: separated at the joint; "a dislocated knee"; "a separated
       shoulder" [syn: disjointed, dislocated, separated]

Moby Thesaurus II by Grady Ward, 1.0:

46 Moby Thesaurus words for "disjointed":
   aimless, alienated, confused, detached, directionless, disarranged,
   disarticulated, disconnected, discontinuous, disengaged, disjoined,
   disjoint, disjunct, dislocated, disordered, disorderly,
   disorganized, dispersed, displaced, disunited, divided, divorced,
   estranged, fitful, inchoate, incoherent, isolated, jumbled, loose,
   mixed up, muddled, out, out of gear, out of joint, rambling,
   removed, scattered, segregated, separated, sequestered, shut off,
   split up, unconnected, unhinged, unjointed, unorganized