stiffen

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

If Powell stays, that arithmetic becomes even harder, and it could stiffen the resolve of other governors whose terms run beyond Powell’s, said Wilcox.

From The Wall Street Journal ● Apr. 27, 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

Calling the eradication of extortion “one of the great challenges” facing Mexico, Sheinbaum pledged to bolster enforcement, stiffen penalties and increase safeguards for anyone receiving threats.

From Los Angeles Times ● Dec. 16, 2025

As soon as he was made comfortable enough to drift off, Robert would stiffen and jolt awake with a piercing scream.

From "Fever 1793" by Laurie Halse Anderson

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

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

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

From Science Daily ● Mar. 7, 2026

"Everyone, by the time you get to your mid-30s, maybe early 40s, you'll notice that the lens of the eye really stiffens," she said.

From BBC ● Nov. 29, 2025

In the distance, right at the entrance to the big top, August stops and stiffens.

From "Water for Elephants" by Sara Gruen

Refusing to form such a coalition, even if it meant giving up a sure route to the prime ministry, would have stiffened this view.

From Slate ● Nov. 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

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

He flicked at flies with the official staff of his office—some sort of stiffened animal tail that ends in a silky white tassel.

From "The Poisonwood Bible" by Barbara Kingsolver

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

The inquest was told rigor mortis - the stiffening of the body after death - had set in.

From BBC ● Mar. 20, 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

There was a stiffening breeze kicking up the waves beyond the breakwaters and he smiled thinking of what his uncle Owen called waves.

From "The Voyage Of The Frog" by Gary Paulsen