Improbable and Inconceivable

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

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

Nearby Words: improbability, improbably

Inconceivable

Inconceivable adjective - Too extraordinary or improbable to believe.

Improbable is a synonym for inconceivable in belief topic. You can use "Improbable" instead an adjective "Inconceivable", if it concerns topics such as likely, unbelievable. popular alternative

Nearby Word: inconceivability
Cite this Source
Inconceivable and Improbable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/improbable/inconceivable
Improbable & Inconceivable. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/improbable/inconceivable>.
Inconceivable or Improbable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/improbable/inconceivable.
Google Ngram Viewer shows how "improbable" and "inconceivable" have occurred on timeline