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Definitions

stiffen

[stif-uhn] / ˈstɪf ən /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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This approach enabled us to create a material that can bend, buckle, or stiffen differently under slow movements versus sudden impacts -- without electronics, sensors, or active control.

From Science Daily Jun. 11, 2026

"He'd started to stiffen because he had been there for so long, dead, with no-one noticing. It's horrific to think someone's loved one died with no one near them."

From BBC Jun. 11, 2026

These are, Mr. Freymann writes, “tempting targets,” but seizing them could stiffen the resolve of Taiwan and its Western friends.

From The Wall Street Journal May 14, 2026

She has also vowed to stiffen prison sentences and to impose a state of emergency in areas worst hit by crime.

From Barron's Feb. 1, 2026

Struts and diagonal rods ran between the two wheels to stiffen the assembly and give it the strength of a railroad bridge.

From "The Devil in the White City" by Erik Larson

The illness causes breathing difficulties and creates scar tissue that stiffens the lungs, making it difficult to breathe and for oxygen to enter the bloodstream.

From BBC Jun. 10, 2026

The biggest reason is that our maximum heart rate slows with age, and the heart muscle stiffens, reducing its pumping effectiveness.

From Barron's May 23, 2026

Over time, inflammation can progress to fibrosis and scarring that stiffens the liver.

From Science Daily Mar. 7, 2026

Last year, Alibaba announced a plan to fold food-delivery and online-travel services into its e-commerce unit as competition stiffens in the Chinese market.

From The Wall Street Journal Jan. 29, 2026

He takes a step toward me, and suddenly, his body stiffens.

From "An Ember in the Ashes" by Sabaa Tahir

Others argued the particles stiffened the surrounding material like glue.

From Science Daily May 13, 2026

And sure enough, as UConn’s shots started falling and its defense stiffened against Boozer’s attacks, the deficit narrowed.

From The Wall Street Journal Mar. 30, 2026

They reckon it may have stiffened the resolve of the German public and discouraged rebels within the dying Nazi regime.

From MarketWatch Mar. 12, 2026

Johnson’s move appears to have stiffened investors’ spines.

From Barron's Feb. 11, 2026

Charlie stiffened, stared straight ahead and rattled off the formula.

From "Carry On, Mr. Bowditch" by Jean Lee Latham

It’s hard to imagine a greater accomplishment than to achieve peace while stiffening the sinews of deterrence.

From The Wall Street Journal Mar. 1, 2026

No wonder OpenAI’s Sam Altman issued a “code red” alert to employees urging them to step up the pace of chatbot development in the face of stiffening competition from the likes of Google’s Gemini.

From Barron's Dec. 3, 2025

It smashed 300-pound spheres swinging on a pendulum into a fuselage panel to deliberately damage it, causing one of the stiffening rods to break, then repeatedly applied loads representative of those in flight 40,000 times.

From Seattle Times Apr. 15, 2024

Technicians periodically check in on a patient shortly after surgery to quickly probe the new organ and look for signs of stiffening and potential acute failure or rejection.

From Science Daily Feb. 9, 2024

His burned hand was stiffening up on him, and soon it began to ache.

From "A Clash of Kings" by George R.R. Martin




Vocabulary lists containing stiffen


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