Improbable and Incredible

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

Incredible is a synonym for improbable in unbelievable topic. In some cases you can use "Incredible" instead an adjective "Improbable", when it comes to topics like likely, implausible, amazing, unthinkable. popular alternative

Nearby Words: improbability, improbably

Incredible

Incredible adjective - Beyond belief or understanding.
Usage example: at incredible speed

Improbable is a synonym for incredible in unbelievable topic. You can use "Improbable" instead an adjective "Incredible", if it concerns topics such as likely, amazing, unlikely, beyond belief. popular alternative

Nearby Words: incredibly, incredibility
Cite this Source
Incredible and Improbable. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/improbable/incredible
Improbable & Incredible. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/improbable/incredible>.
Incredible or Improbable. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/improbable/incredible.
Google Ngram Viewer shows how "improbable" and "incredible" have occurred on timeline