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Definitions

harden

[hahr-dn] / ˈhɑr dn /




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.

See Examples For:

OpenAI has promised to harden the monitoring of its agents and temporarily paused training a powerful version.

From Los Angeles Times Sep. 11, 2026

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

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

From The Wall Street Journal Jul. 26, 2026

Already, the excess heat in the tank has caused the MMA to harden and clog the failing tank’s valves, rendering it impossible for crews to drain the dangerous chemical or add stabilizing agents, Freeman said.

From Los Angeles Times May 23, 2026

But if you grabbed too late, the cookie would harden before you could even complete the first bend.

From "The Joy Luck Club" by Amy Tan

The UK "hardens stance on Israel" is how the Guardian frames the expected announcement on Tuesday.

From BBC Sep. 8, 2026

The powder hardens almost instantly, remains stable during storage, and can be deployed quickly even in demanding environments such as combat zones and disaster areas.

From Science Daily Jul. 2, 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

In civic life, disagreement often leads to separation, which hardens into division.

From The Wall Street Journal Apr. 29, 2026

The surface beneath my feet hardens, and under the carpet of ash, I feel the paving stones of the square.

From "Mockingjay" by Suzanne Collins

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

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

A modest shift in consumer behavior hardened into a cultural stereotype.

From Salon Aug. 15, 2026

Many are deployed on mobile truck-mounted launchers or concealed within hardened underground coastal missile bases.

From The Wall Street Journal Jul. 31, 2026

“Mom sent—” She stopped, and her eyes found Ella, who waved, but Bea's face hardened.

From "The Marvellers" by Dhonielle Clayton

A budget bill approved Tuesday morning also includes $25 million for home hardening grants, rebates or loans to be distributed through a separate program to be created by the Governor’s Office of Emergency Services.

From Los Angeles Times Sep. 1, 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

UV light is used for air purification, curing resins in 3D printing, hardening gels in dental fillings, and even applications such as nail treatments.

From Science Daily Jun. 26, 2026

Even as its resolve appears to be hardening, the EU has showed no appetite to trigger a broader trade war with China.

From Barron's Jun. 18, 2026

He elaborated without encouragement, citing the advantages of Devon’s physical hardening program and of a high school diploma when he did in good time reach basic training.

From "A Separate Peace" by John Knowles




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