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.
Jalen Brunson and the New York Knicks were able to pull off an improbable Game 3 win in the Eastern Conference Finals on the road against the Indiana Pacers. Evan Massey, MSNBC Newsweek, 26 May 2025 Just getting to the point where one pitch could win the game seemed improbable for most of the day. Alex Cole, Los Angeles Times, 24 May 2025 The film ends with one of those deeply entertaining, highly improbable action set pieces that the franchise has perfected as its signature: a race between a train (with Cruise on top) and a helicopter (piloted by main baddie Jean Reno), which makes its way through a tunnel. Kate Erbland, IndieWire, 23 May 2025 Andrew Gans delves deep into the inspiring and improbable journey of his father, Danny Gans, and the circumstances surrounding his untimely passing. Matthew Carey, Deadline, 22 May 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 5 Jun. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!