Past tense of stiffen
regular verb
The past tense of stiffen is stiffened. The past participle is also stiffened.
Forms of stiffen
| Base form (V1) | stiffen /ˈstɪfən/ |
|---|---|
| Past tense (V2) | stiffened |
| Past participle (V3) | stiffened |
| Present participle | stiffening |
| Third person singular | stiffens |
Stiffened in a sentence
- Criminal prosecutions of abusers are generally the responsibility of local authorities, but the act stiffened sentences for stalking under federal law.2013 March 7, “President signs Violence Against Women Act”, in CNN
- It followed a sequence of functions: a machine cuts cloth panels to be sewn, the panels are drenched with the polymer and stiffened, a robotic arm uses suction cups to lift each panel and position it in a sewing machine.2016 October 11, Parija Kavilanz, “This robot makes a T-shirt from start to finish”, in CNN Business, archived from the original on 19 Mar...
- Human lung fibroblasts are able to grow into 3D collagenated and stiffened matrices under specific conditions.2015 July 1, Vanesa Vicens-Zygmunt et al., “Fibroblast viability and phenotypic changes within glycated stiffened three-dimensional…. From the entry collagenated
- Malkom must have scented her then, because he stiffened, rattling his chains.2010, Kresley Cole, chapter 24, in Demon from the Dark (The Immortals After Dark; 10), New York, N.Y.: Pocket Books, →ISBN. From the entry takesie-backsies
- He had buried his mouth in Ada's nuque, when she stiffened and raised a warning finger.1969, Vladimir Nabokov, Ada or Ardor, Penguin, published 2011, page 158. From the entry nuque
Meaning of stiffen
- verb To make stiff.
- verb To become stiff.
Questions about the past tense of stiffen
- What is the past tense of stiffen?
- The past tense of stiffen is stiffened.
- What is the past participle of stiffen?
- The past participle of stiffen is stiffened.
- Is stiffen a regular or irregular verb?
- Stiffen is a regular verb: its past tense adds -ed.
Source and license
Adapted from Wiktionary: stiffen (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 stiffen.” Word.ws, https://word.ws/past-tense/stiffen. Based on Wiktionary, CC BY-SA 4.0.