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]