deform

verb

de·​form di-ˈfȯrm How to pronounce deform (audio)
dē-
deformed; deforming; deforms

transitive verb

1
: to spoil the form of
2
a
: to spoil the looks of : disfigure
a face deformed by bitterness
b
: to mar the character of
a marriage deformed by jealousy
3
: to alter the shape of by stress

intransitive verb

: to become misshapen or changed in shape
deformable adjective
Choose the Right Synonym for deform

deform, distort, contort, warp means to mar or spoil by or as if by twisting.

deform may imply a change of shape through stress, injury, or accident of growth.

a face deformed by hatred

distort and contort both imply a wrenching from the natural or normal, but contort suggests a more involved twisting and a more grotesque and painful result.

the odd camera angle distorts the figure
disease had contorted her body

warp indicates an uneven shrinking that bends or twists out of a flat plane.

warped floorboards

Examples of deform in a Sentence

The disease eventually deforms the bones. The disease eventually causes the bones to deform.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Based on analysis of satellite measurements, the collision deformed sedimentary and volcanic rock layers as far as 6.2 miles to the north and south of the impact crater, while leaving the east and west relatively unscathed. Thomas G. Moukawsher, Newsweek, 20 Mar. 2025 The elements were slowly crushing the base as the gradual movement of the ice sheet deformed the structures. Katie Hunt, CNN, 15 Mar. 2025 It's designed to be so incredibly easy that a beginner can just pick it up and start laying down perfect dimes, even on super thin material down to 8 thousandths of an inch (0.2 mm) without melting through your project – or even deforming it. New Atlas, 8 Mar. 2025 Franklin, an award-winning biographer, details how Frank’s legacy was formed, and sometimes deformed, by her father, Otto, who survived her. The New Yorker, 3 Mar. 2025 See All Example Sentences for deform

Word History

Etymology

Middle English, from Anglo-French or Latin; Anglo-French desfurmer, from Latin deformare, from de- + formare to form, from forma form

First Known Use

14th century, in the meaning defined at transitive sense 1

Time Traveler
The first known use of deform was in the 14th century

Browse Nearby Words

Cite this Entry

“Deform.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deform. Accessed 29 Mar. 2025.

Kids Definition

deform

verb
de·​form di-ˈfȯ(ə)rm How to pronounce deform (audio)
ˈdē-
: to make or become misshapen or changed in shape
deformation
ˌdē-ˌfȯr-ˈmā-shən
ˌdef-ər-
noun

More from Merriam-Webster on deform

Last Updated: - Updated example sentences
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