The Collaborative International Dictionary of English v.0.48:

Scramble \Scram"ble\, v. i. [imp. & p. p. Scrambled; p. pr. &
   vb. n. Scrambling.] [Freq. of Prov. E. scramb to rake
   together with the hands, or of scramp to snatch at. cf.
   Scrabble.]
   1. To clamber with hands and knees; to scrabble; as, to
      scramble up a cliff; to scramble over the rocks.
      [1913 Webster]

   2. To struggle eagerly with others for something thrown upon
      the ground; to go down upon all fours to seize something;
      to catch rudely at what is desired.
      [1913 Webster]

            Of other care they little reckoning make,
            Than how to scramble at the shearer's feast.
                                                  --Milton.
      [1913 Webster]

WordNet (r) 3.0 (2006):

scrambled
    adj 1: thrown together in a disorderly fashion; "a scrambled
           plan of action"