amorphous

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amorphous

  • /əˈmɔ(ɹ)fəs/
  • /eɪˈmɔ(ɹ)fəs/

Where it comes from

From Ancient Greek ἄμορφος (ámorphos, “without form, shapeless, deformed”) (itself from ἀ- (a-, “without”) + μορφή (morphḗ, “form”) + -ous. By surface analysis, a- + -morphous.

adjective more amorphous · most amorphous

  1. Lacking a definite form or clear shape. amorphous blob

    Similar: formless, shapeless · Opposite: structured, well-defined

  2. broadly Being without definite character or nature. Gudrun, new from her life in Chelsea and Sussex, shrank cruelly from this amorphous ugliness of a small colliery town in the Midlands. Yet forward she went, through the whole sordid gamut of pettiness, the long amorphous, gritty street.
  3. broadly Lacking organization or unity.
  4. In the non-crystalline solid state of, or being a non-crystalline counterpart to, a crystalline solid. Near-synonym: noncrystalline

    Similar: noncrystalline · Opposite: crystalline, crystal

  5. of a set Infinite and not the disjoint union of two infinite subsets.

Similar: amorphic, amorphous, formless, shapeless, unshaped, unshapely · Opposite: misshapen, shapely

Thesaurus

adjective

Similar: amorphic, amorphous, formless, shapeless, unshaped, unshapely · Opposite: misshapen, shapely

Translations

Every language

adj lacking a definite form or clear shape

Españolamorfo
Portuguêsamorfo
Deutschamorph, formlos, gestaltlos
Italianoamorfo
Ελληνικάάμορφος ámorfos
Русскийамо́рфный amórfnyj, бесфо́рменный besfórmennyj
Tiếng Việtvô định hình

adj being without definite character or nature

Españolamorfo
Portuguêsamorfo
Deutschamorph
Italianoamorfo
Ελληνικάάμορφος ámorfos

adj lacking organization or unity

한국어조직이 없는 jojigi eomneun
Ελληνικάαλλοπρόσαλλος alloprósallos

adj physics: in the non-crystalline state of solid

Españolamorfo
日本語アモルファス amorufasu
Portuguêsamorfo
Françaisamorphe
Deutschamorph
Italianoamorfo
Ελληνικάάμορφος ámorfos
Русскийамо́рфный amórfnyj

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Cite this
MLA

"amorphous." Wiktionary, via Micwyn, micwyn.com/word/amorphous. Accessed 6 Nov. 2026.

APA

amorphous. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/amorphous

Chicago

"amorphous." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/amorphous.

BibTeX
@misc{amorphous_2026,
  title = {amorphous},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/amorphous},
  urldate = {2026-11-06}
}