Definition of amorphous
b
: being without definite character or nature : unclassifiable
an amorphous segment of society
c
: lacking organization or unity
an amorphous style of writing
2
: having no real or apparent crystalline form
an amorphous mineral
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Merriam-Webster unabridged
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Time Traveler for amorphous
The first known use of amorphous was circa 1727
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