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.
Hefty extra wattage is apparently needed to keep the Mar-a-Lago lights on in the event of an unforeseen disaster such as a war, or flying sports court glass, or a late ketchup delivery. Pat Beall, Sun Sentinel, 27 Mar. 2026 Barring any unforeseen circumstances, the two-time World Series champion and Red Sox all-time leader in games played at shortstop will be on the field this time. Gabrielle Starr, Boston Herald, 26 Mar. 2026 One unforeseen storm might send users looking for an alternative. Kyle Chayka, New Yorker, 25 Mar. 2026 There’s a chance a scandal or unforeseen development might bounce one or more of the tenacious 10 out of the race. James Rainey, Los Angeles Times, 25 Mar. 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 6 Apr. 2026.

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