the unthinkable

noun

: something that one cannot accept, believe, or imagine

especially : something that is so bad that one does not want to think about it

And then, the unthinkable happened: the car skidded out of control and crashed.

Examples of the unthinkable in a Sentence

Recent Examples on the Web

Someone check if the sky is falling because the unthinkable just happened. — Joel Feder, The Drive, 3 Nov. 2026

The film, directed by Chin and Elizabeth Chai Vasarhelyi, shows how Morrison overcame multiple tragedies to achieve the unthinkable – scaling the north side of Mount Everest and then skiing down it, a feat never before accomplished. — Matthew Carey, Deadline, 31 Oct. 2026

Did Auburn do the unthinkable a few weeks ago by awakening a monster in Athens? — Trey Wallace Outkick, FOXNews.com, 31 Oct. 2026

And when the unthinkable happens, such as what occurred last week, the public should be made aware of exactly what caused it. — Todd Martens, Los Angeles Times, 20 Oct. 2026

Rhymes for the unthinkable

• thinkable