fault line

noun

: something resembling a fault : split, rift
… a major conceptual fault line in foreign policy …Morton Kondracke

Examples of fault line 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.
Towns stretching out northwest from Pamukkale along a geological fault line tap into increasingly hotter supplies of steam and water surging up from underground. Barry Neild, CNN Money, 27 Oct. 2025 That sluggish growth deepened religious and ethnic fault lines and allowed political opportunists to foment violence, forcing the authorities to focus on maintaining stability rather than spur economic transformation. Amaka Anku, Foreign Affairs, 24 Oct. 2025 The buildup of stress at the fault line eventually exceeds the frictional forces holding the plates stationary, resulting in the release of energy as an earthquake. Hollie Silverman, MSNBC Newsweek, 21 Oct. 2025 The raid, Jones says, also exposed familiar fault lines in labor and manufacturing. IEEE Spectrum, 9 Oct. 2025 See All Example Sentences for fault line

Word History

First Known Use

1869, in the meaning defined above

Time Traveler
The first known use of fault line was in 1869

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Cite this Entry

“Fault line.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fault%20line. Accessed 8 Nov. 2025.

Last Updated: - Definition revised
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