Definition of the unthinkable
: 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.
Learn More About the unthinkable
Statistics for the unthinkable
Look-up Popularity
Cite this Entry
“The unthinkable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/the%20unthinkable. Accessed 19 Sep. 2021.
Style: MLA
MLA
Chicago
APA
Merriam-Webster
Chicago
APA
Merriam-Webster
Test Your Vocabulary
Farm Idioms Quiz
-
- What does 'poke' refer to in the expression 'pig in a poke'?
Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share the unthinkable