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 idea is being studied by scientists, who warn that impacts may be unpredictable, including changes in rain patterns, draughts and unforeseen weather changes. Tereza Pultarova, Space.com, 18 May 2026 Within minutes, an unforeseen blizzard unleashed what would become the worst storm ever recorded in the Pyrenees. Emiliano De Pablos, Variety, 15 May 2026 Bourgeois-Tacquet’s elevator pitch — unforeseen circumstances lead Gabrielle, a workaholic 55-year-old surgeon, to question her life choices — isn’t exactly earth-shaking, and the film lacks the propulsive spontaneity that made Anaïs in Love such an off-kilter delight. Jon Frosch, HollywoodReporter, 13 May 2026 The method shows promise in helping to curb warming temperatures due to climate change, however there may be unforeseen ecological consequences. Devika Rao, TheWeek, 13 May 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 21 May. 2026.

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