unforeseen

adjective

un·​fore·​seen ˌən-fȯr-ˈsēn How to pronounce unforeseen (audio)
Synonyms of unforeseennext
: not anticipated or expected : not foreseen : unexpected
an unforeseen delay
unforeseen consequences

Examples of unforeseen in a Sentence

there are almost always unforeseen consequences for any major endeavor unforeseen problems delayed the project beyond its deadline
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 family visas, in particular, led to an unforeseen boom in immigration. Albert Sun, New York Times, 2 July 2026 Legislators ordered the transit authority to complete at least 50% of the Red Line, which has been in the works for decades, before completing any other rail projects unless an unforeseen, extraordinary event upends the project. Mary Ramsey updated June 30, Charlotte Observer, 30 June 2026 Bullard said meetings with the legislature will occur every 90 days and, if an unforeseen circumstance arises, the agency would have to enter into emergency appropriation conversations. Jillian Taylor, StateImpact, 30 June 2026 The whole point of The Pitt’s one-shift model is that no one in the ER can predict what kind of day this will be or whether the end of the shift will look anything like the beginning — every new event is an unforeseen development. Kathryn Vanarendonk, Vulture, 26 June 2026 See All Example Sentences for unforeseen

Word History

First Known Use

1651, in the meaning defined above

Time Traveler
The first known use of unforeseen was in 1651

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Cite this Entry

“Unforeseen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unforeseen. Accessed 5 Jul. 2026.

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