in·​con·​ceiv·​able | \ ˌin-kən-ˈsē-və-bəl How to pronounce inconceivable (audio) \

Definition of inconceivable

: not conceivable: such as
b : impossible to comprehend

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Other Words from inconceivable

inconceivability \ ˌin-​kən-​ˌsē-​və-​ˈbi-​lə-​tē How to pronounce inconceivability (audio) \ noun
inconceivableness \ ˌin-​kən-​ˈsē-​və-​bəl-​nəs How to pronounce inconceivableness (audio) \ noun
inconceivably \ ˌin-​kən-​ˈsē-​və-​blē How to pronounce inconceivably (audio) \ adverb

Examples of inconceivable in a Sentence

The fire caused an inconceivable amount of damage. After coming this far, to quit now would be inconceivable.
Recent Examples on the Web Diagnostic tests are easy to make, so the U.S. failing to create one seemed inconceivable. Ed Yong, The Atlantic, "How the Pandemic Defeated America," 3 Aug. 2020 But if the Spurs wind up pulling off the inconceivable, Friday provided a template. Mike Finger,, "Mike Finger: For the San Antonio Spurs, might an unlikely objective await?," 1 Aug. 2020 The answer was a nearly inconceivable 275 million, just from the bombs’ blasts. Jessica T. Mathews, The New York Review of Books, "The New Nuclear Threat," 22 July 2020 The recreation was secretly filmed by an inconceivable roster of celebrities on their phones while in self-isolation, who will trade off roles across The Princess Bride's numerous iconic sequences. Tyler Aquilina,, "Star-studded homemade remake of The Princess Bride to hit Quibi starting Monday," 26 June 2020 And without their powers of decomposition, our lives would be inconceivable. Gareth Cook, Scientific American, "A Poetic, Mind-Bending Tour of the Fungal World," 24 June 2020 Hyperinflation is defined as prices rising by 50% or more in a month—a phenomenon that seems inconceivable in the U.S. where inflation has been barely above zero in recent years. Jeff John Roberts, Fortune, "This influential crypto CEO warns that hyperinflation will be the ‘next big problem’," 17 June 2020 And judging by how 2020 has gone, is this really that inconceivable? Elaine Sung, Detroit Free Press, "Is Detroit Red Wings great Pavel Datsyuk with rogue priest in monastery takeover? Reports conflict," 17 June 2020 Social-distancing lockdowns have forced the theater world to improvise with digital performances in a way that would have seemed inconceivable pre-coronavirus. John Jurgensen, WSJ, "Harsh Realities for Theaters Closed by Coronavirus After Plays Go Online," 20 Apr. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'inconceivable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of inconceivable

1624, in the meaning defined above

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Time Traveler for inconceivable

Time Traveler

The first known use of inconceivable was in 1624

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Statistics for inconceivable

Last Updated

7 Aug 2020

Cite this Entry

“Inconceivable.” Dictionary, Merriam-Webster, Accessed 13 Aug. 2020.

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More Definitions for inconceivable


How to pronounce inconceivable (audio)

English Language Learners Definition of inconceivable

: impossible to imagine or believe : not conceivable


in·​con·​ceiv·​able | \ ˌin-kən-ˈsē-və-bəl How to pronounce inconceivable (audio) \

Kids Definition of inconceivable

: impossible to imagine or believe The fire caused inconceivable damage.

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More from Merriam-Webster on inconceivable

Thesaurus: All synonyms and antonyms for inconceivable

Spanish Central: Translation of inconceivable

Nglish: Translation of inconceivable for Spanish Speakers

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