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Synonyms

inconceivable

American  
[in-kuhn-see-vuh-buhl] / ˌɪn kənˈsi və bəl /

adjective

  1. not conceivable; unimaginable; unthinkable

  2. unbelievable; incredible.


inconceivable British  
/ ˌɪnkənˈsiːvəbəl /

adjective

  1. incapable of being conceived, imagined, or considered

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Etymology

Origin of inconceivable

First recorded in 1625–35; in- 3 + conceivable

Explanation

If something is inconceivable, it doesn’t seem possible, it’s hard to imagine, or it can’t be true. It might seem inconceivable that a society would choose to pay bankers more than teachers, but it’s true. When an idea or event is inconceivable, it's so outlandish, amazing, or horrible that it’s hard to believe. The horrible acts committed by the Nazis during the Holocaust are inconceivable on many levels, yet we know they occurred. Some things are inconceivable because they really wouldn't happen — for example, it's inconceivable that you would actually eat your hat.

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Vocabulary lists containing inconceivable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Dunaway’s recent screen roles have included faith drama The Case for Christ and thriller Inconceivable with Nicolas Cage.

From The Guardian • Jul. 25, 2019

Inconceivable as it now seems, that thrilling novel still didn’t make Holmes a household name.

From Washington Post • Aug. 16, 2017

“Bride” help launched the career of actor Cary Elwes, who last fall published a book, “As You Wish: Inconceivable Tales from the Making of ‘The Princess Bride,’” and is currently on tour to promote it.

From Salon • Jun. 26, 2015

Alas, Elwes has postponed his visit to Seattle’s Town Hall on Wednesday to promote his book, “As You Wish: Inconceivable Tales from the Making of The Princess Bride.”

From Seattle Times • Dec. 3, 2014

Inconceivable, inconceivable that one blow could cause such pain!

From "1984" by George Orwell

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