[ dih-fawrmd ]
/ dɪˈfɔrmd /


having the form changed, especially with loss of beauty; misshapen; disfigured: After the accident his arm was permanently deformed.
hateful; offensive: a deformed personality.

Origin of deformed

Middle English word dating back to 1350–1400; see origin at deform1, -ed2

Related forms

de·form·ed·ly [dih-fawr-mid-lee] /dɪˈfɔr mɪd li/, adverbde·form·ed·ness, nounnon·de·formed, adjectiveun·de·formed, adjective

Definition for deformed (2 of 2)


[ dih-fawrm ]
/ dɪˈfɔrm /

verb (used with object)

to mar the natural form or shape of; put out of shape; disfigure: In cases where the drug was taken during pregnancy, its effects deformed the infants.
to make ugly, ungraceful, or displeasing; mar the beauty of; spoil: The trees had been completely deformed by the force of the wind.
to change the form of; transform.
Geology, Mechanics. to subject to deformation: The metal was deformed under stress.

verb (used without object)

to undergo deformation.

Origin of deform

1350–1400; Middle English deformen < Latin dēfōrmāre, equivalent to dē- de- + fōrmāre to form

Related forms Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for deformed

British Dictionary definitions for deformed (1 of 2)


/ (dɪˈfɔːmd) /


disfigured or misshapen
morally perverted; warped

Derived Forms

deformedly (dɪˈfɔːmɪdlɪ), adverbdeformedness, noun

British Dictionary definitions for deformed (2 of 2)


/ (dɪˈfɔːm) /


to make or become misshapen or distorted
(tr) to mar the beauty of; disfigure
(tr) to subject or be subjected to a stress that causes a change of dimensions

Derived Forms

deformable, adjectivedeformability, noundeformer, noun

Word Origin for deform

C15: from Latin dēformāre, from de- + forma shape, beauty
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

Medicine definitions for deformed


[ dĭ-fôrmd ]


Distorted in form.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.