- 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.
To be sure, Russia has adapted by improving electronic warfare, hardening facilities, expanding drone production and developing new glide-bomb tactics.
From The Wall Street Journal ● Jul. 7, 2026
It marks a wider trend of governments hardening their stance on undocumented migration, with many, including the UK and Italy, adopting measures aimed at deterring it.
From BBC ● Jul. 4, 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
It is cold, cold; so cold that the grey heavy sky is full of snow, which when it falls will settle for all winter as the ground is hardening to receive it.
From "Dracula" by Bram Stoker
![]()