[ dih-fawr-mi-tee ]
/ dɪˈfɔr mɪ ti /

noun, plural de·form·i·ties.

the quality or state of being deformed, disfigured, or misshapen.
Pathology. an abnormally formed part of the body.
a deformed person or thing.
hatefulness; ugliness.

Origin of deformity

1350–1400; Middle English deformite < Old French < Latin dēfōrmitās, equivalent to dēfōrm(is) deform2 + -itās -ity
Related formsnon·de·for·mi·ty, noun, plural non·de·for·mi·ties. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for deformity

British Dictionary definitions for deformity


/ (dɪˈfɔːmɪtɪ) /

noun plural -ties

a deformed condition; disfigurement
pathol an acquired or congenital distortion of an organ or part
a deformed person or thing
a defect, esp of the mind or morals; depravity
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

Word Origin and History for deformity



early 15c., diformyte, from Old French deformité "deformity, disfigurement," from Latin deformitatem (nominative deformitas) "ugliness," from deformis "misformed, misshapen," from deformare (see deform).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for deformity


[ dĭ-fôrmĭ-tē ]


The state of being deformed.
A deviation from the normal shape or size of a body part, resulting in disfigurement.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.