The Collaborative International Dictionary of English v.0.48:

Disarrange \Dis`ar*range"\, v. t. [imp. & p. p. Disarranged;
   p. pr. & vb. n. Disarranging.] [Pref. dis- + arrange: cf.
   F. d['e]sarranger.]
   To unsettle or disturb the order or due arrangement of; to
   throw out of order.
   [1913 Webster]

WordNet (r) 3.0 (2006):

disarrange
    v 1: destroy the arrangement or order of; "My son disarranged
         the papers on my desk" [ant: arrange, set up]
    2: disturb the arrangement of; "disarrange the papers"

Moby Thesaurus II by Grady Ward, 1.0:

69 Moby Thesaurus words for "disarrange":
   agitate, beat, beat up, break, break off, churn, churn up, clutter,
   confuse, convulse, derange, disarray, disarticulate, discompose,
   discontinue, dishevel, disjoin, disjoint, dislocate, disorder,
   disorganize, displace, disquiet, disturb, excite, ferment, flurry,
   fret, interrupt, jumble, knock galley-west, litter, luxate, mess,
   mess up, misarrange, mislay, misplace, muddle, muss, muss up,
   overturn, paddle, perturb, perturbate, replace, rile, ripple, roil,
   roughen, ruffle, rummage, rumple, scatter, shake, shake up, stir,
   stir up, swirl, tousle, trouble, unhinge, unjoint, unsettle, upset,
   whip, whip up, whisk, work up