1. Having no definite form or distinct shape
   "amorphous clouds of insects";
   - formless, shapeless
    
2. Without real or apparent crystalline form
   "amorphous structure"; "an amorphous mineral";
   - uncrystallized, uncrystallised [Brit]
    
3. Lacking the system or structure characteristic of living bodies
   "The amorphous blob of clay had no definite shape";
   - unstructured
    
4. (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"
    
5. 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"

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

Encyclopedia: Amorphous