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 While horse racing's Triple Crown is out of the picture, there's plenty of intrigue in Rich Strike's encore performance following his improbable win at Churchill Downs. Evan Hilbert, USA TODAY, 11 June 2022 Isiah Thomas and feeds over his shoulder to a cutting Dennis Johnson for the winning basket as the Celtics pulls out an improbable 108-107 win over Detroit in Game 5 of the Eastern Conference Finals. Houston Mitchell, Los Angeles Times, 26 May 2022 Over the last few days, Sonny Leon has skyrocketed from being a northern Ohio racing favorite to a global sensation after guiding 80-1 longshot Rich Strike to an improbable win in the 148th Kentucky Derby on Saturday. Ashley Bastock, cleveland, 12 May 2022 Reinfection seemed improbable, and Bretsky thought resistance was unlikely with a five-day course of treatment. Carolyn Y. Johnson, Anchorage Daily News, 27 Apr. 2022 Ohio State football knocked off Michigan State 56-7 by doing a lot of things that seemed improbable six weeks ago. Stephen Means, cleveland, 20 Nov. 2021 The announcement would have seemed improbable in July 2018, when Greitens was largely abandoned by the state GOP and resigned as governor, marking an abrupt end to an unlikely political ascent. Washington Post, 23 Mar. 2021 Because as arduous as the past three weeks have been — with seven games in 16 days to hopefully do enough to earn an NCAA tournament berth that once seemed improbable — it’s now one-and-done time. Chris Solari, Detroit Free Press, 10 Mar. 2021 Given his frustrations in Spain, switching to another La Liga side is equally improbable. Henry Flynn, Forbes, 21 Apr. 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

20 Jun 2022

Cite this Entry

“Improbable.” Dictionary, Merriam-Webster, Accessed 26 Jun. 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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