amorphous, formless, shapeless -- (having no definite form or distinct shape; "amorphous clouds of insects"; "an aggregate of formless particles"; "a shapeless mass of protoplasm")
amorphous, unstructured -- (lacking the system or structure characteristic of living bodies)
amorphous, uncrystallized, uncrystallised -- (without real or apparent crystalline form; "an amorphous mineral"; "amorphous structure")
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