Word.ws English Dictionary

Past tense of deform

regular verb

The past tense of deform is deformed. The past participle is also deformed.

Forms of deform

Base form (V1)deform /dɪˈfɔːm/
Past tense (V2)deformed /dɪˈfɔːmd/
Past participle (V3)deformed /dɪˈfɔːmd/
Present participledeforming
Third person singulardeforms

Deformed in a sentence

  • a face deformed by bitterness
  • a marriage deformed by jealousy
  • On CT scan, a deformed right femoral head with postpinning defect, articular changes, and subluxation was visualized.2015 June 3, Nagmani Singh et al., “External Iliac Artery-Appendicular Fistula due to Antegrade Unusual Migration of K-Wire from Hip to…. From the entry postpinning
  • The specimens of type 1 were deformed by fault formation with characteristic spasmodicality on the compression curve.1991, Soviet Physics: Crystallography, volume 35, New York, N.Y.: American Institute of Physics, →ISSN, page 879, column 2. From the entry spasmodicality
  • Carefully the child tried to cover her deformed leg under her skirted pyjamas.1979, Qurratulain Hyder, A Woman’s Life, Chetana Publications. From the entry skirted

Meaning of deform

  1. adjective Having an unusual and unattractive shape; deformed, misshapen; hence, hideous, ugly.
  2. verb To change the form of (something), usually thus making it disordered or irregular; to give (something) an abnormal or unusual shape.
  3. verb To alter the shape of (something) by applying a force or stress.

Full definition of deform

Questions about the past tense of deform

What is the past tense of deform?
The past tense of deform is deformed.
What is the past participle of deform?
The past participle of deform is deformed.
Is deform a regular or irregular verb?
Deform is a regular verb: its past tense adds -ed.

Source and license

Adapted from Wiktionary: deform (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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Cite this page: “Past tense of deform.” Word.ws, https://word.ws/past-tense/deform. Based on Wiktionary, CC BY-SA 4.0.