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.

Dictionary Entries Near the unthinkable

the unknown

the unthinkable

the upper crust

See More Nearby Entries 

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“The unthinkable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/the%20unthinkable. Accessed 7 Dec. 2022.

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