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1. Having no definite form or distinct shape
   "amorphous clouds of insects";
   - formless, shapeless
    
2. Lacking the system or structure characteristic of living bodies
   - unstructured
    
3. (of a group of people or an organization) unorganized or unfocused
   "A mob is an amorphous crowd of people without ideals, a sum of individuals in which each lives for himself"
    
4. Unclear because vague or badly organized
   "Her vague, amorphous statement of her predicament was part of what made it so hard for her to solve it"
    
5. Without real or apparent crystalline form
   "amorphous structure"; "an amorphous mineral";
   - uncrystallized, uncrystallised [Brit]

See also: inorganic, muddy, noncrystalline, unclear, unformed, unstructured

Encyclopedia: Amorphous