improbable

adjective

im·​prob·​a·​ble (ˌ)im-ˈprä-bə-bəl How to pronounce improbable (audio)
-ˈpräb-bəl
: unlikely to be true or to occur
also : unlikely but real or true
improbably
(ˌ)im-ˈprä-bə-blē How to pronounce improbable (audio)
-ˈpräb-blē
adverb

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Dara Torres completes her improbable Olympic comeback, making the U.S. team for the fifth time by winning the 100 freestyle at the U.S. Olympic trials in Omaha, Neb. Los Angeles Times, 4 July 2025 The stadium media tour took place on Lionel Messi’s 38th birthday, a day after the team continued its improbable Club World Cup run by qualifying for the Round of 16 with a tie against Brazilian power Palmeiras. Michelle Kaufman, Miami Herald, 25 June 2025 Vinyl records, once a dusty niche for audiophiles, continue their improbable comeback, with sales over the past two years outpacing CDs for the first time in decades. Benjamin Svetkey, HollywoodReporter, 23 June 2025 The Oshkosh, Wisc., native’s playoff magic seemed improbable and almost destined for an NBA title after the Pacers forced a Game 7 despite Haliburton injuring his right calf in Game 5. Sean Neumann, People.com, 23 June 2025 See All Example Sentences for improbable

Word History

Etymology

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

First Known Use

1598, in the meaning defined above

Time Traveler
The first known use of improbable was in 1598

Browse Nearby Words

Cite this Entry

“Improbable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/improbable. Accessed 13 Jul. 2025.

Kids Definition

improbable

adjective
im·​prob·​a·​ble (ˈ)im-ˈpräb(-ə)-bəl How to pronounce improbable (audio)
: not probable : unlikely to be true or to occur
improbably adverb

More from Merriam-Webster on improbable

Last Updated: - Updated example sentences
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