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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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“People get scared of the sway, the wobble. If you’ve had a fall before, you get a fear of falling again and you stiffen up, you become protective,” Swanson says.

From Los Angeles Times ● Aug. 18, 2026

Defense Secretary Pete Hegseth said Saturday that the loss of the servicemembers would stiffen the U.S.’s resolve.

From The Wall Street Journal ● Jul. 18, 2026

As these weaken and stiffen over time it can affect walking, talking, eating and breathing.

From BBC ● Apr. 10, 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

I stiffen from the soles of my feet to the crown of my head.

From "Like Vanessa" by Tami Charles

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

Metcalf, bringing all her blue-collar brilliance to the role, stiffens Linda’s spine.

From Los Angeles Times ● Apr. 29, 2026

More than 13% of Americans 75 and older have the condition, in which the aortic valve stiffens and narrows.

From The Wall Street Journal ● Apr. 25, 2026

When the cell enters the next interphase and the asters reform, the cytoplasm stiffens again and stabilizes the band.

From Science Daily ● Feb. 28, 2026

His gaze stiffens on mine and his lips fold shut.

From "Red Flags and Butterflies" by Sheryl Azzam

The Romans, their ranks stiffened by Genoese and Venetian troops, did their best to resist.

From The Wall Street Journal ● Aug. 5, 2026

Others argued the particles stiffened the surrounding material like glue.

From Science Daily ● May 13, 2026

“But the cat stiffened and I stiffened whenever anybody moved, aware of all the possible lives being lived around us.”

From Los Angeles Times ● Apr. 13, 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

Ella stiffened as she heard more of the bad versus the good.

From "The Marvellers" by Dhonielle Clayton

Softening rather than stiffening when moving through space requires embracing your body’s natural sway and tiny micro-movements, like an ankle wobbling or knee jiggling.

From Los Angeles Times ● Aug. 18, 2026

IPF is a chronic, progressive lung disease characterized by irreversible scarring and stiffening of lung tissue.

From Barron's ● Mar. 30, 2026

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

"Our observations are consistent across multiple length scales and link connective tissue stiffening to altered biochemical signaling in cancer cells."

From Science Daily ● Jan. 24, 2026

“Here, now!” cried Teece, stiffening up, tall, tall.

From "The Martian Chronicles" by Ray Bradbury


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