IMPROBABLE Synonyms: 42 Similar and Opposite Words

improbable

adjective

(ˌ)im-ˈprä-bə-bəl

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 Its sweeping bay, all shifting sands and improbable light with views of the Lakeland Fells beyond, is the real draw, particularly at sunset when the sky seems to double in scale. —

Rob Crossan, Condé Nast Traveler, 13 May 2026 But Martín Ojeda pulled a goal back before halftime and completed a hat trick in the second half to seal the improbable comeback. —

Kyle Foley, The Orlando Sentinel, 8 May 2026 The family ties, spelled out in public records, raise more questions about the already improbable scenario of winning the lottery time and time again, watchdogs say. —

Kairi Lowery, Miami Herald, 8 May 2026 The fascination around Atmos comes from the clock’s improbable mechanics. —

Taylor Stoddard, Robb Report, 8 May 2026 See All Example Sentences for improbable

Recent Examples of Synonyms for improbable

unlikely

Adjective

The collapse of the government is unlikely to significantly affect Latvia’s foreign policy, as all mainstream parties are some variant of pro-Ukraine and anti-Russia.

— Brady Knox, The Washington Examiner, 15 May 2026
This is a true unlikely bedfellows situation, driven almost entirely by Lenya’s concern for his wife and son, who are in their government’s crosshairs.

— Sophie Brookover, Vulture, 15 May 2026