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.
In this slow-burn story of estrangement and reconciliation, the negotiation is a familial one, the fault lines emotional rather than linguistic. Dan Sheehan, Literary Hub, 22 Jan. 2026 Just barely four weeks into the year, and fault lines are already building. Yeo Boon Ping, CNBC, 19 Jan. 2026 Released in 1996, the debut Nike Air Rift was the first time the Swoosh used the split-toe design in a shoe, which was inspired by Kenya’s Great Rift Valley fault line, the company noted. Stephen Garner, Footwear News, 14 Jan. 2026 Most often, quake swarms are caused by fluids — typically water — interacting with fault lines, the federal agency said. Don Sweeney, Sacbee.com, 11 Jan. 2026 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 30 Jan. 2026.

Last Updated: - Updated example sentences
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