Source : Webster's Revised Unabridged Dictionary (1913)

Amorphous \A*mor"phous\, a. [Gr. ?; 'a priv. + ? form.]
   1. Having no determinate form; of irregular; shapeless.
      --Kirwan.

   2. Without crystallization in the ultimate texture of a solid
      substance; uncrystallized.

   3. Of no particular kind or character; anomalous.

            Scientific treatises . . . are not seldom rude and
            amorphous in style.                   --Hare.
      -- {A*mor"phous*ly}, adv. -- {A*mor"phous*ness}, n.

Source : WordNet®

amorphous
     adj 1: having no definite form or distinct shape; "amorphous clouds
            of insects"; "an aggregate of formless particles"; "a
            shapeless mass of protoplasm" [syn: {formless}, {shapeless}]
     2: lacking the system or structure characteristic of living
        bodies [syn: {unstructured}]
     3: without real or apparent crystalline form; "an amorphous
        mineral"; "amorphous structure" [syn: {uncrystallized}, {uncrystallised}]