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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

“It probably would stiffen their spine,” said Brian Latell, a former CIA analyst who wrote a biography of Castro and his older brother Fidel Castro.

From The Wall Street Journal May 21, 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

This involves the buildup of dense, fibrous tissue around the tumor, made up of cells and proteins that stiffen and inflame the area.

From Science Daily Jan. 30, 2026

When we’d finished, I was beginning to stiffen up, so I got up to move around and looked in on one of the two dormitories.

From "A Walk in the Woods" by Bill Bryson

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

That creates a curve or bend in the material, which also stiffens it.

From BBC Mar. 3, 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

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

We stand there until her body stiffens and she pulls away.

From "The Belles" by Dhonielle Clayton

When the heart must work harder because of exercise, heat, stress or another cause, stiffened blood vessels may be less able to accommodate the increased blood flow.

From Science Daily Aug. 1, 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

Marinello said that could change if countries stiffened the penalties for stealing cultural heritage by calling it cultural terrorism.

From The Wall Street Journal Oct. 20, 2025

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

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

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

Because microtubules can influence how stiff the cytoplasm is, the researchers asked whether asters might help anchor the actin band by stiffening the cell interior.

From Science Daily Feb. 28, 2026

“It’s split right down the middle,” said Major Sanderson, who had laced his lumpy GI shoes for the occasion and had slicked his charcoal-dull hair down with some stiffening and redolent tonic.

From "Catch-22" by Joseph Heller




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