as in unlikely
not likely to be true or to occur
it seems improbable that the two writers never met since they traveled in the same social circles
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Recent Examples of improbable
Sampras, winner of seven Wimbledon titles, 13 Grand Slam championships, extends his mark at Wimbledon to 53-1 over the past eight years.
2001 — Goran Ivanisevic becomes one of Wimbledon’s most improbable champions, beating Patrick Rafter.
—
Sports Editor
follow, Los Angeles Times, 9 July 2025
In April 2023, Good Charlotte played their first show in five years in one of the most improbable places: the vast, luxe halls of the Hotel du Cap-Eden-Roc in the South of France.
—Maya Georgi, Rolling Stone, 25 June 2025
The worst moment came a few moments later, when Matt Leinart completed an improbable pass on fourth down.
—The Athletic College Football Staff, New York Times, 11 July 2025
The latest improbable yet inescapable sequel series premieres 21 years after Dexter first emerged, and like most Floridians who just reached legal drinking age, there’s nothing sober about it.
—Ben Travers, IndieWire, 10 July 2025
See All Example Sentences for improbable
Sports Editor
follow, Los Angeles Times, 9 July 2025
In April 2023, Good Charlotte played their first show in five years in one of the most improbable places: the vast, luxe halls of the Hotel du Cap-Eden-Roc in the South of France.
—Maya Georgi, Rolling Stone, 25 June 2025
The worst moment came a few moments later, when Matt Leinart completed an improbable pass on fourth down.
—The Athletic College Football Staff, New York Times, 11 July 2025
The latest improbable yet inescapable sequel series premieres 21 years after Dexter first emerged, and like most Floridians who just reached legal drinking age, there’s nothing sober about it.
—Ben Travers, IndieWire, 10 July 2025
See All Example Sentences for improbable
Recent Examples of Synonyms for improbable
unlikely
Adjective
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The state has argued that Black would be unconscious and unlikely to feel pain.—
Kelly Puente,
Nashville Tennessean,
30 July 2025
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However, evidence suggests that consistently getting it right over the long term is extremely unlikely.—
Rory O'Hara,
Forbes.com,
30 July 2025
Cite this Entry
“Improbable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/improbable. Accessed 2 Aug. 2025.
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