Inconceivable
Inconceivable adjective - Too extraordinary or improbable to believe.
Usage example: the formerly inconceivable idea that humans could land on the moon
Unthinkable is a synonym for inconceivable in unimaginable topic. In some cases you can use "Unthinkable" instead an adjective "Inconceivable", when it comes to topics like belief, unbelievable, unlikely, beyond belief. popular alternative
Nearby Word: inconceivability
Unthinkable
Unthinkable adjective - Too extraordinary or improbable to believe.
Usage example: to most people it seemed unthinkable that such a gentle man could be guilty of such awful crimes
Inconceivable is a synonym for unthinkable in unimaginable topic. You can use "Inconceivable" instead an adjective "Unthinkable", if it concerns topics such as unbelievable, belief, incredible, unlikely. popular alternative
Nearby Word: unthinking
Mutual synonyms
Related pairs
- rare and inconceivable
- rare and unthinkable
- outlandish and inconceivable
- outlandish and unthinkable
- staggering and inconceivable
- staggering and unthinkable
- implausible and inconceivable
- implausible and unthinkable
- extraordinary and inconceivable
- extraordinary and unthinkable
- incredible and inconceivable
- incredible and unthinkable
- unbelievable and inconceivable
- unbelievable and unthinkable
Cite this Source
Unthinkable and Inconceivable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/inconceivable/unthinkable
Inconceivable & Unthinkable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/inconceivable/unthinkable>.
Unthinkable or Inconceivable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/inconceivable/unthinkable.
Google Ngram Viewer shows how "inconceivable" and "unthinkable" have occurred on timeline