as in sudden
not expected there are almost always unforeseen consequences for any major endeavor unforeseen problems delayed the project beyond its deadline

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Recent Examples of unforeseen Meanwhile, Orlok is also en route to capture Ellen and stows himself away on a ship journeying toward Western Europe, bringing with him another unforeseen terror: a plague. Haadiza Ogwude, The Enquirer, 23 Dec. 2024 Both of them will enter the top 8 list of NASA astronauts with the most days spent on a single spaceflight, making an unforeseen mark on the history of American space travel. Jack Knudson, Discover Magazine, 20 Dec. 2024 Absent an unforeseen change, a full closure is coming, even if the exact timeline is not yet publicly known. Rong-Gong Lin Ii, Los Angeles Times, 5 Jan. 2025 That’s because carriers typically bake plenty of extra time into schedules to hedge against unforeseen hiccups. Suzanne Rowan Kelleher, Forbes, 4 Jan. 2025 See all Example Sentences for unforeseen 

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“Unforeseen.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unforeseen. Accessed 30 Jan. 2025.

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