The Collaborative International Dictionary of English v.0.48:

Scattered \Scat"tered\, a.
   1. Dispersed; dissipated; sprinkled, or loosely spread.
      [1913 Webster]

   2. (Bot.) Irregular in position; having no regular order; as,
      scattered leaves.
      [1913 Webster] -- Scat"tered*ly, adv. --
      Scat"tered*ness, n.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Scatter \Scat"ter\, v. t. [imp. & p. p. Scattered; p. pr. &
   vb. n. Scattering.] [OE. scateren. See Shatter.]
   1. To strew about; to sprinkle around; to throw down loosely;
      to deposit or place here and there, esp. in an open or
      sparse order.
      [1913 Webster]

            And some are scattered all the floor about.
                                                  --Chaucer.
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            Why should my muse enlarge on Libyan swains,
            Their scattered cottages, and ample plains?
                                                  --Dryden.
      [1913 Webster]

            Teach the glad hours to scatter, as they fly,
            Soft quiet, gentle love, and endless joy. --Prior.
      [1913 Webster]

   2. To cause to separate in different directions; to reduce
      from a close or compact to a loose or broken order; to
      dissipate; to disperse.
      [1913 Webster]

            Scatter and disperse the giddy Goths. --Shak.
      [1913 Webster]

   3. Hence, to frustrate, disappoint, and overthrow; as, to
      scatter hopes, plans, or the like.
      [1913 Webster]

   Syn: To disperse; dissipate; spread; strew.
        [1913 Webster]

WordNet (r) 3.0 (2006):

scattered
    adj 1: occurring or distributed over widely spaced and irregular
           intervals in time or space; "scattered showers";
           "scattered villages"
    2: 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:

143 Moby Thesaurus words for "scattered":
   alienated, all up with, anarchic, arsy-varsy, ass-backwards,
   balled up, beat, beaten, bested, bollixed up, broadcast, chaotic,
   cheeseparing, chinchy, chintzy, confounded, confused, defeated,
   deflected, deflective, detached, diffracted, diffractive, diffuse,
   diffused, disarticulated, discomfited, disconnected, discrete,
   disengaged, disjoined, disjoint, disjointed, disjunct, dislocated,
   dispersed, dispread, disseminated, dissipated, distorted,
   distributed, disunited, divided, divorced, done for, done in, down,
   estranged, exiguous, fallen, fixed, flectional, flexed, floored,
   fouled up, galley-west, helter-skelter, higgledy-piggledy,
   hors de combat, hugger-mugger, in a mess, inflective, infrequent,
   isolated, jumbled, lambasted, lathered, licked, meager, miserly,
   mixed up, mucked up, muddled, niggardly, on the skids, outdone,
   overborne, overcome, overmastered, overmatched, overpowered,
   overridden, overthrown, overturned, overwhelmed, panicked,
   piddling, poor, put to rout, rare, refracted, refractile,
   refractive, refrangible, removed, routed, ruined, scant, scanty,
   scarce, screwed up, scrimping, scrimpy, segregated,
   seldom met with, seldom seen, separated, sequestered, settled,
   shut off, silenced, skew, skewed, skimble-skamble, skimping,
   skimpy, skinned, skinned alive, slim, snafu, sparse, sporadic,
   spotty, spread, sprinkled, stampeded, stingy, straggling, straggly,
   strewn, strown, thin, tight, topsy-turvy, trimmed, trounced,
   undone, upset, upside-down, whelmed, whipped, widespread,
   worsted