hardening

noun

hard·​en·​ing ˈhärd-niŋ How to pronounce hardening (audio)
ˈhär-dᵊn-iŋ
: sclerosis sense 1
hardening of the arteries

Examples of hardening in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Ceasefire negotiations between Israel and the Hamas terrorist organization hit a setback Thursday, as Prime Minister Benjamin Netanyahu recalled Israel’s negotiating delegation from Doha following what officials described as a hardening of Hamas’ demands. Efrat Lachter, FOXNews.com, 24 July 2025 These amino acids may protect against the development of atherosclerosis, or the thickening or hardening of the arteries caused by a buildup of plaque. Jillian Kubala, Health, 8 July 2025 Sullivan said the updates would include tips on home hardening, which means preparing homes to better prevent catching fire. Pili Saravia, Austin American Statesman, 2 July 2025 The Wildfire Advisory Group advised the town to focus on five safety initiatives in the event of a wildfire: emergency communications; evacuation plans and routes; fuel reduction and vegetation management; defensible space and home hardening; and education and outreach. Nollyanne Delacruz, Mercury News, 23 May 2025 See All Example Sentences for hardening

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of hardening was in the 15th century

Browse Nearby Words

Cite this Entry

“Hardening.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hardening. Accessed 30 Jul. 2025.

Kids Definition

hardening

noun
hard·​en·​ing
: sclerosis
hardening of the arteries

Medical Definition

hardening

noun
hard·​en·​ing ˈhärd-niŋ, -ᵊn-iŋ How to pronounce hardening (audio)
: sclerosis sense 1
hardening of the arteries

More from Merriam-Webster on hardening

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