Incomprehensible and Unthinkable

Incomprehensible

Incomprehensible adjective - Impossible to understand.
Usage example: rocket science is incomprehensible to most people

Unthinkable and incomprehensible are semantically related. In some cases you can use "Unthinkable" instead an adjective "Incomprehensible".

Unthinkable

Unthinkable adjective - Too extraordinary or improbable to believe.

Incomprehensible and unthinkable are semantically related. Sometimes you can use "Incomprehensible" instead an adjective "Unthinkable".

Nearby Word: unthinking
Cite this Source
Unthinkable and Incomprehensible. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/incomprehensible/unthinkable
Incomprehensible & Unthinkable. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/incomprehensible/unthinkable>.
Unthinkable or Incomprehensible. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/incomprehensible/unthinkable.
Google Ngram Viewer shows how "incomprehensible" and "unthinkable" have occurred on timeline