The Collaborative International Dictionary of English v.0.48:

Disconnect \Dis`con*nect"\, v. t. [imp. & p. p. Disconnected;
   p. pr. & vb. n. Disconnecting.]
   To dissolve the union or connection of; to disunite; to
   sever; to separate; to disperse.
   [1913 Webster]

         The commonwealth itself would . . . be disconnected
         into the dust and powder of individuality. --Burke.
   [1913 Webster]

         This restriction disconnects bank paper and the
         precious metals.                         --Walsh.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

disconnected \disconnected\ adj.
   1. marked by or composed of disconnected parts or sounds.
      [Narrower terms: staccato (vs. legato)]

   Syn: abrupt, broken off(predicate).
        [WordNet 1.5]

   2. not switched on or not connected to a power source; -- of
      electrical equipment. [Narrower terms: off-line (vs.
      on-line), offline, off line(predicate); unplugged]

   Syn: not ready, off.
        [WordNet 1.5 +PJC]

   3. noncontinuous; not continuing in time or space. Opposite
      of continuous.

   Syn: disrupted, discontinuous.
        [WordNet 1.5 +PJC]

   4. unconnected, detached. Opposite of connected.

   Syn: disjoined, separate.
        [WordNet 1.5]

   5. lacking orderly continuity; illogical or seemingly
      irrational; as, disconnected fragments of a story.

   Syn: confused, disjointed, disordered, disorganized,
        desultory, garbled, illogical, rambling, scattered,
        unconnected.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

disconnected
    adj 1: (music) marked by or composed of disconnected parts or
           sounds; cut short crisply; "staccato applause"; "a
           staccato command"; "staccato notes" [syn: staccato,
           disconnected] [ant: legato, smooth]
    2: having been divided; having the unity destroyed;
       "Congress...gave the impression of...a confusing sum of
       disconnected local forces"-Samuel Lubell; "a league of
       disunited nations"- E.B.White; "a fragmented coalition"; "a
       split group" [syn: disconnected, disunited, fragmented,
       split]
    3: marked by sudden changes in subject and sharp transitions;
       "abrupt prose" [syn: abrupt, disconnected]
    4: not plugged in or connected to a power source; "the iron is
       disconnected"
    5: 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]

Moby Thesaurus II by Grady Ward, 1.0:

139 Moby Thesaurus words for "disconnected":
   alien, alienated, aloof, apart, broken, broken off, capricious,
   careening, catchy, chopped-off, choppy, confused, decousu,
   desultory, detached, deviative, disarticulated, discontinued,
   discontinuous, discrete, disengaged, disjoined, disjoint,
   disjointed, disjunct, disjunctive, dislocated, disordered,
   dispersed, disrelated, dissociated, disunited, divided, divorced,
   eccentric, episodic, erratic, estranged, exotic, flickering,
   fluctuating, foreign, gapped, garbled, guttering, halting,
   herky-jerky, heteroclite, illogical, immethodical, inchoate,
   incoherent, incommensurable, incomparable, inconsistent,
   inconstant, independent, insular, intermittent, intermitting,
   interrupted, irrational, irregular, irrelative, isolated, jagged,
   jerky, lurching, mixed-up, muddled, nonadherent, nonadhesive,
   noncoherent, noncohesive, noncontinuous, nonlinear, nonsequential,
   nonserial, nonuniform, open, other, outlandish, parenthetic,
   patchy, rambling, random, removed, rough, scattered, scrappy,
   segregate, segregated, separate, separated, sequestered, shut off,
   snatchy, spasmatic, spasmic, spasmodic, spastic, split, sporadic,
   spotty, staggering, strange, suspended, tenuous, unadhesive,
   unaffiliated, unallied, unassociated, unattached, uncertain,
   uncoherent, uncohesive, unconnected, unequal, uneven,
   unintelligible, unjoined, unmethodical, unmetrical, unorganized,
   unregular, unrelatable, unrelated, unrhythmical, unsettled,
   unsteady, unsuccessive, unsystematic, untenacious, variable,
   veering, wandering, wavering, wobbling, wobbly