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Synonyms

deformed

American  
[dih-fawrmd] / dɪˈfɔrmd /

adjective

  1. having the form changed, especially with loss of beauty; misshapen; disfigured.

    After the accident his arm was permanently deformed.

    Synonyms:
    malformed
  2. hateful; offensive.

    a deformed personality.


deformed British  
/ dɪˈfɔːmd, dɪˈfɔːmɪdlɪ /

adjective

  1. disfigured or misshapen

  2. morally perverted; warped

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • deformedly adverb
  • deformedness noun
  • nondeformed adjective
  • undeformed adjective

Etymology

Origin of deformed

Middle English word dating back to 1350–1400; see origin at deform 1, -ed 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

When many nucleons participate in these coordinated transitions, the nucleus becomes strongly deformed.

From Science Daily • Mar. 8, 2026

More than a dozen countries took part in the weeks-long search for the vessel, which was eventually located a year later by a private British marine robotics firm, its hull dented and deformed.

From Barron's • Mar. 4, 2026

The medical examiner retrieved a deformed metal projectile.

From The Wall Street Journal • Nov. 16, 2025

Further investigation revealed that eight frames, the ribs of the ship's structural skeleton, were deformed and that more steel replacement was required.

From BBC • Jul. 7, 2025

He had a nose like a black, deformed potato, eyes like a couple of fangs.

From "Grendel" by John Gardner