amorphous

adjective
amor·​phous | \ ə-ˈmȯr-fəs How to pronounce amorphous (audio) \

Definition of amorphous

1a : having no definite form : shapeless an amorphous cloud mass
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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Other Words from amorphous

amorphously adverb
amorphousness noun

Synonyms & Antonyms for amorphous

Synonyms

formless, shapeless, unformed, unshaped, unstructured

Antonyms

formed, shaped, shapen, structured

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Examples of amorphous in a Sentence

Astronomers think our solar system took shape when an amorphous interstellar cloud of dust and gas collapsed under its own weight. The conservation of angular momentum, or spin, kept some of the material from simply falling all the way to the newborn sun; instead it settled into a pancake shape. — Michael W. Werner et al., Scientific American, June 2009 Most library and academic accrediting associations either ignore weeding or have general, rather amorphous, standards. Among the more specific standards are those of the American Library Associations' 1967 public library systems standards, which suggest annual weeding of at least 5 percent of "community collections," with headquarters libraries weeding more cautiously … LJ Special Report, 1990 A quarter of a century ago, author Betty Friedan stumbled upon a "problem that has no name."" Middle-class American women were prisoners of gilded cages, she argued, unfulfilled by their exclusive roles as wives and mother. Friedan gave the amorphous problem, and the book that described it, a name—"The Feminine Mystique"—and with it helped launch one of the most transforming social movements in modern history." — Eloise Salholz et al., Newsweek, 31 Mar. 1986 Oblivious to all the attention, the big cat calmly sashayed to a concave little hollow scooped out of an artificial granite cliff-side at the rear of her cage. There, her four sleeping, newborn cubs were nestled one atop another so tightly that they formed one amorphous lump of fur. — Jon Luoma, Audubon, November l982 an amorphous segment of society amorphous lumps of clay magically transformed by a skilled potter's hands into works of art
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Recent Examples on the Web

There’s no movie genre title more amorphous than ‘documentary,’ which can make finding a new story to stream all the more challenging. Rachel E. Greenspan, Time, "These Are the Netflix Codes You Can Use to Take a Shortcut Straight to the Shows and Movies You Actually Want to Watch," 3 July 2019 Yes, there are some welcome modern touches: The score gets ambitiously atmospheric and amorphous. Christopher Arnott, courant.com, "Review: ‘Waitress’ carries down-home charm into The Bushnell," 19 June 2019 The zombie metaphor is eminently malleable, the amorphous horde a putty to be shaped into any sociocultural commentary. Katie Walsh, San Diego Union-Tribune, "Review: Bill Murray, Adam Driver battle zombies in ‘The Dead Don’t Die’," 13 June 2019 But measuring voltage across an object usually requires placing two wires at either end, and nobody had figured out how to do that for a large and amorphous thing like a cloud. Adam Mann, National Geographic, "Most powerful electrical storm on record detected," 23 Apr. 2019 So is glass, an amorphous mass of stationary atoms that behaves like a solid but, upon closer inspection, looks more like a liquid frozen in time. Quanta Magazine, "Solid or Liquid? Physicists Redefine States of Matter," 3 Apr. 2013 The Commerce Department is an amorphous government body tasked with promoting job creation and economic growth. Abby Vesoulis, Time, "Elizabeth Warren Just Joined a Longtime Republican Cause," 4 June 2019 Like most women's, her set of responsibilities is amorphous. Michelle Garcia, Glamour, "The First Lady Has a Huge Job. It’s Time She Had a Salary to Match," 3 Apr. 2019 Over the past decades, video games gradually have been turning into something more amorphous that can change over time, and can disappear forever. Eric Limer, Popular Mechanics, "Google's 'Stadia' Is the Latest Attack in the War on Games You Can Actually Own," 19 Mar. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'amorphous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of amorphous

circa 1731, in the meaning defined at sense 1a

History and Etymology for amorphous

Greek amorphos, from a- + morphē form

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Statistics for amorphous

Last Updated

9 Jul 2019

Look-up Popularity

Time Traveler for amorphous

The first known use of amorphous was circa 1731

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More Definitions for amorphous

amorphous

adjective

English Language Learners Definition of amorphous

: having no definite or clear shape or form

amorphous

adjective
amor·​phous | \ ə-ˈmȯr-fəs How to pronounce amorphous (audio) \

Medical Definition of amorphous

1 : having no apparent shape or organization
2 : having no real or apparent crystalline form

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Comments on amorphous

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