de·​form | \di-ˈfȯrm, dē-\

Definition of deform 

transitive verb

1 : to spoil the form of

2a : 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

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Other Words from deform

deformable \-​mə-​bəl \ 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

Difficult readability: The bendiness means some of the text is significantly deformed, and so any information it is meant to convey will be more difficult. Sean Hollister, The Verge, "Science fiction shows why Samsung’s folding phones might thrive," 14 Nov. 2018 Realists can also fail to grasp the power of ideology to shape the behavior of states, often in ways that deform or disregard their own interests. Bret Stephens, New York Times, "Foreign Policy From the Dark Side," 28 Mar. 2018 Most of her siblings had either died or were deformed, so Pegasus' chances at a happy, healthy life were little to none. Diana Bruk, Country Living, "This Time Lapse Video of a Sick Rescue Puppy Growing Into Adulthood Will Give You a Greater Appreciation for Life," 11 May 2015 Just as simulating the massive gravitational attraction of a black hole does not actually deform spacetime around the computer implementing the astrophysical code, programming for consciousness will never create a conscious computer. Christof Koch, Scientific American, "What Is Consciousness?," 8 May 2018 The Pogojet bullet does not deform on impact but delivers all its energy over a smaller area. David Hambling, Popular Mechanics, "Ingenious New Non-Lethal Bullet Burns Propellant Inside the Round," 4 Jan. 2016 These viruses can paralyze bees, deform their wings or directly attack their young. Kevin Davenport, idahostatesman, "Why are these 250,000 bees hanging out on this sweet Downtown Boise rooftop?," 11 July 2018 The list of pathogens carried by bees includes fungal infections and wing-deforming viruses, many of which get moved around with international trade. Thor Hanson, WSJ, "The Plight of the Humble Bee," 29 June 2018 The seismic waves from a nearby earthquake will deform the cable minutely, leaving the returning light slightly out of phase with the light emitted by the laser. The Economist, "Submarine cables could be repurposed as earthquake detectors," 16 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'deform.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of deform

15th century, in the meaning defined at transitive sense 1

History and Etymology for deform

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

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Statistics for deform

Last Updated

29 Nov 2018

Look-up Popularity

Time Traveler for deform

The first known use of deform was in the 15th century

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More Definitions for deform



English Language Learners Definition of deform

: to change something so that it no longer has its normal or original shape


de·​form | \di-ˈfȯrm \
deformed; deforming

Kids Definition of deform

: to spoil the form or the natural appearance of

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More from Merriam-Webster on deform

Rhyming Dictionary: Words that rhyme with deform

Thesaurus: All synonyms and antonyms for deform

Spanish Central: Translation of deform

Nglish: Translation of deform for Spanish Speakers

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