im·​prob·​a·​ble | \ (ˌ)im-ˈprä-bə-bəl How to pronounce improbable (audio) , -ˈpräb-bəl \

Definition of improbable

: unlikely to be true or to occur also : unlikely but real or true

Other Words from improbable

improbability \ (ˌ)im-​ˌprä-​bə-​ˈbi-​lə-​tē How to pronounce improbable (audio) \ noun
improbably \ (ˌ)im-​ˈprä-​bə-​blē How to pronounce improbable (audio) , -​ˈpräb-​blē \ adverb

Synonyms & Antonyms for improbable



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Examples of improbable in a Sentence

The team made an improbable comeback. it seems improbable that the two writers never met since they traveled in the same social circles
Recent Examples on the Web Yet on a street where business rates alone for such a store can top $800,000 a year, the economic viability of such an offer at a premier location seemed highly improbable. Mark Faithfull, Forbes, 15 June 2022 Playing in the same division and league as 2021's state champion Cincinnati Hills Christian Academy, their trip seemed improbable. Scott Springer, The Enquirer, 8 June 2022 Trailing by three runs in the ninth inning against the best team in baseball, the Cincinnati Reds' rally started with the improbable and ended with the unbelievable. Bobby Nightengale, The Enquirer, 13 July 2022 And though the complicated particulars of the conspiracy are fairly clever and original, if also improbable, the basic mechanics of the plot remain simple and straightforward and easy to follow: Set ‘em up and knock ‘em down. Robert Lloyd, Los Angeles Times, 1 July 2022 Making the feat even more improbable is that as of May 9, the Missions’ starters had an ERA of 8.31 — the worst at any level of the minor leagues. Nick Talbot, San Antonio Express-News, 19 May 2022 As improbable as those Orlando, Chicago and Cleveland wins were, the Cavs’ odds are even longer heading into this year’s drawing. Chris Fedor, cleveland, 17 May 2022 The pandemic was a wake-up call underlying the simple fact that the unanticipated and the improbable are more possible than anyone would have expected before. Somdutta Singh, Forbes, 5 May 2022 Making the prospect of nuclear war -- even if improbable -- a part of the international calculus in potential conflict is still a startling departure, for some from more than 30 years of post-Cold War security. Jill Filipovic, CNN, 1 Mar. 2022 See More

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

First Known Use of improbable

1598, in the meaning defined above

History and Etymology for improbable

Middle French or Latin; Middle French, from Latin improbabilis, from in- + probabilis probable

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The first known use of improbable was in 1598

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Last Updated

7 Aug 2022

Cite this Entry

“Improbable.” Dictionary, Merriam-Webster, Accessed 7 Aug. 2022.

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More Definitions for improbable


im·​prob·​a·​ble | \ im-ˈprä-bə-bəl How to pronounce improbable (audio) \

Kids Definition of improbable

: not likely : not probable improbable stories

Other Words from improbable

improbably \ -​blē \ adverb an improbably happy ending

More from Merriam-Webster on improbable

Nglish: Translation of improbable for Spanish Speakers

Britannica English: Translation of improbable for Arabic Speakers


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