UNFORESEEN Synonyms: 17 Similar and Opposite Words

unforeseen

adjective

ˌən-fȯr-ˈsēn

Definition of unforeseen

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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Example Sentences

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Recent Examples of unforeseen Weather delays and unforeseen conditions could modify the schedule and traffic control signing patterns. — Sean Krofssik, Hartford Courant, 6 July 2026 Arraez, 29, is in the midst of the most complete season of his career, a year made possible by his completely unforeseen improvement on defense. — Justice Delos Santos, Mercury News, 5 July 2026 The family visas, in particular, led to an unforeseen boom in immigration. — Albert Sun, New York Times, 2 July 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 See All Example Sentences for unforeseen

Recent Examples of Synonyms for unforeseen

Adjective

Earthquakes' sudden, rapid shaking can cause fires, tsunamis, landslides or avalanches.

— CA Earthquake Bot, Sacbee.com, 11 July 2026
The 61-year-old was treated in Greece for neck and shoulder injuries and friction burns, after a sudden cabin depressurization triggered oxygen masks and a rapid descent.

— Costas Kantouris, Los Angeles Times, 10 July 2026

Definition of sudden

Adjective

But somewhere between talking about recipes and the future of food, the conversation took an unexpected turn.

— Monti Carlo, AJC.com, 17 July 2026
Aside from simply driving through Yellowstone, taking in the sights on foot resulted in 15 deaths through accidental falls, exposure, unexpected medical issues, and run-ins with animals like bison or bears.

— Andrew Paul, Popular Science, 16 July 2026