fault line

noun

: something resembling a fault : split, rift
a major conceptual fault line in foreign policyMorton 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.
The Philippines is prone to natural disasters because of its location along the Ring of Fire, a 25,000-mile (40,000-kilometer) arc of seismic fault lines around the Pacific Ocean home to more than half of the world’s volcanoes, and regularly experiences powerful quakes. Lex Harvey, CNN Money, 10 Oct. 2025 Where are the fault lines in the Philippines? Shane Croucher, MSNBC Newsweek, 10 Oct. 2025 The raid, Jones says, also exposed familiar fault lines in labor and manufacturing. IEEE Spectrum, 9 Oct. 2025 With 90 seconds remaining, the Mercury crowd roared loud enough to threaten fault lines. Marcus Thompson Ii, New York Times, 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 20 Oct. 2025.

Last Updated: - Updated example sentences
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