harden

He said that evidence from a U.S. bout of high inflation in the 1970s shows that a series of shocks that raise prices can harden over time into permanently higher inflation.

From MarketWatch ● Jul. 31, 2026

"We may have to pace the rate of AI development to give ourselves enough time for society to harden around some of these new capability levels," Altman said.

From Barron's ● Jul. 31, 2026

When plaque builds up, it can harden into tartar and trigger chronic gum inflammation.

From The Wall Street Journal ● Jul. 26, 2026

Artificial turf becomes intolerably hot, and the soil in natural grass can harden until it’s like playing on concrete.

From Los Angeles Times ● Jul. 7, 2026

The man before them was noble in appearance, and the shadows played across the planes of his face in a way that made their angles harden; his aspect connoted dignity.

From "Snow Falling on Cedars: A Novel" by David Guterson

His voice hardens when he speaks about the leak.

From BBC ● Aug. 2, 2026

Volcanoes form when molten rock from Earth's mantle rises to the surface and hardens.

From Science Daily ● Jul. 10, 2026

To do it, Mars blends sugar, cocoa and other ingredients into a mixture that hardens into the candy’s solid core.

From The Wall Street Journal ● Jun. 18, 2026

Before, Ahmad could tap — meaning to cut incisions in the acacia trees, which exude sap that a few weeks later hardens into nodules of Hashab gum — four orchards in one go.

From Los Angeles Times ● May 31, 2026

An angry knot hardens inside my gut, and a headache punches its way up my neck and into my temples.

From "The Belles" by Dhonielle Clayton

Amid statues and posters of the Virgen de Guadalupe was a rosary that a man had made of hardened bread during his months in an immigration detention facility.

From Los Angeles Times ● Sep. 3, 2026

Hrgovic, hardened by the kind of difficult nights Itauma had never experienced, simply stayed there and waited for the younger man's body to betray him.

From BBC ● Aug. 30, 2026

This high-temperature firing process works somewhat like baking clay in a kiln, causing the zirconia particles to fuse together and form a dense, hardened material.

From Science Daily ● Aug. 23, 2026

Under the company’s framework, a model reaches the “critical” cybersecurity threshold if it can autonomously find and exploit vulnerabilities, or carry out end-to-end cyberattacks against hardened targets with only high-level instructions.

From The Wall Street Journal ● Aug. 7, 2026

This is the scenario that he had thought about and talked about and that had hardened in his mind.

From "Blink" by Malcolm Gladwell

The state also requires home hardening measures for the structure itself — from covering vents with a mesh to block embers from entering to using fire-resistant building materials — for all new constructions since 2008.

From Los Angeles Times ● Aug. 19, 2026

His remarks came after Washington and Tehran had issued demands for compensation over the five-month war, hardening their positions.

From Barron's ● Aug. 12, 2026

The Qatari aircraft lacks several features of older Air Force One jets, including the ability to refuel midair and nuclear hardening.

From The Wall Street Journal ● Aug. 2, 2026

"Iran's work there has likely centred around continued internal excavation and hardening of the facility that would provide further protection against aerial attacks."

From BBC ● Aug. 1, 2026

“Now, in regards to hiding in the trunk of my car,” said Habib, his voice hardening.

From "Shooting Kabul" by N. H. Senzai