Improbable and Unimaginable

Improbable

Improbable adjective - Not likely to be true or to occur.
Usage example: it seems improbable that the two writers never met since they traveled in the same social circles

Unimaginable is a synonym for improbable in unbelievable topic. In some cases you can use "Unimaginable" instead an adjective "Improbable", when it comes to topics like unthinkable, not likely. popular alternative

Nearby Words: improbability, improbably

Unimaginable

Unimaginable adjective - Too extraordinary or improbable to believe.

Improbable is a synonym for unimaginable in unbelievable topic. You can use "Improbable" instead an adjective "Unimaginable", if it concerns topics such as unthinkable, mind-boggling. popular alternative

Cite this Source
Unimaginable and Improbable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/improbable/unimaginable
Improbable & Unimaginable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/improbable/unimaginable>.
Unimaginable or Improbable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/improbable/unimaginable.
Google Ngram Viewer shows how "improbable" and "unimaginable" have occurred on timeline