hardening

noun

hard·​en·​ing ˈhärd-niŋ How to pronounce hardening (audio)
ˈhär-dᵊn-iŋ
Synonyms of hardeningnext
: 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.
Jalili’s potential appointment, however, signals a hardening of Iran’s stance, with more emphasis on resistance over compromise. Emma Bussey, FOXNews.com, 26 Apr. 2026 Fire hardening includes measures such as cutting back brush, installing fire resistant roofs and closing eaves to resist fire embers. Los Angeles Times, 23 Apr. 2026 Mielke also advocates for home hardening – using building materials and construction methods that make your home resistant to embers and radiant heat. Terri Daxon, Oc Register, 16 Apr. 2026 In the last 24 hours, regional powers — particularly the UAE — have signaled a hardening of their stance toward Iran despite apparent efforts by the White House to find an off-ramp from the conflict, touting peace talks with the Islamic Republic, which denies negotiations are taking place. Holly Ellyatt,emma Graham, CNBC, 26 Mar. 2026 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 1 May. 2026.

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

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