amorphous

[uh-mawr-fuhs]
adjective
1.
lacking definite form; having no specific shape; formless: the amorphous clouds.
2.
of no particular kind or character; indeterminate; having no pattern or structure; unorganized: an amorphous style; an amorphous personality.
3.
Petrography, Mineralogy. occurring in a mass, as without stratification or crystalline structure.
4.
Chemistry. not crystalline.
5.
Biology. having structural components that are not clearly differentiated, as the nuclear material in certain bacteria.

Origin:
1725–35; < Greek ámorphos shapeless. See a-6, -morph, -ous

amorphously, adverb
amorphousness, noun


1, 2. shapeless, undefined; vague, anomalous.
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World English Dictionary
amorphous (əˈmɔːfəs)
 
adj
1.  lacking a definite shape; formless
2.  of no recognizable character or type
3.  (of chemicals, rocks, etc) not having a crystalline structure
 
[C18: from New Latin, from Greek amorphos shapeless, from a-1 + morphē shape]
 
a'morphism
 
n
 
a'morphously
 
adv
 
a'morphousness
 
n

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Dictionary.com's 21st Century Lexicon
Main Entry:  amorphous
Part of Speech:  adj
Definition:  See amorphic
Dictionary.com's 21st Century Lexicon
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Etymonline
Word Origin & History

amorphous
"shapeless," 1731, from Mod.L. amorphus, from Gk. amorphos "without form, shapeless, deformed," from a- "without" + morphe "form" (see morphine).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

amorphous a·mor·phous (ə-môr'fəs)
adj.

  1. Lacking definite form; shapeless.

  2. Lacking organization; formless.

  3. Lacking distinct crystalline structure.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
amorphous   (ə-môr'fəs)  Pronunciation Key 
  1. Not made of crystals. Glass, amber, and plastics are amorphous substances.

  2. Lacking definite form or shape.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
What gives them strength during the uprising-their amorphous character and
  impulsiveness-leads to their subsequent undoing.
The dream of the writer, of any artist, is a fickle and amorphous thing.
The kind that are looser, more amorphous, and therefore harder to pin down.
This is because “living standard” is a highly amorphous concept.
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