- present participle of harden.
hardening
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.
"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
But it risks hardening the resistance of the communist regime, said close observers of the Caribbean island.
From The Wall Street Journal ● May 21, 2026
The line was silent, and I imagined Dad’s stern face hardening.
From "Educated" by Tara Westover
