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.
Barring some sort of major unforeseen collapse, prize money at the Grand Slams will continue to go up. Matthew Futterman, New York Times, 23 May 2026 The best way to handle unforeseen circumstances is to always have a plan, starting with your food and water. Karla Walsh, Better Homes & Gardens, 21 May 2026 He’s also talked about ideas for Obsession sequels and even an anthology series where different kinds of wishes and their unforeseen effects are explored. Paul Tassi, Forbes.com, 18 May 2026 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 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 27 May. 2026.

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