Questionable and Unthinkable

Questionable

Questionable adjective - Not likely to be true or to occur.
Usage example: it's questionable that he will show up tonight considering all the bad weather we're having

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

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

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

Nearby Word: unthinking
Cite this Source
Unthinkable and Questionable. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/questionable/unthinkable
Questionable & Unthinkable. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/questionable/unthinkable>.
Unthinkable or Questionable. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/questionable/unthinkable.
Google Ngram Viewer shows how "questionable" and "unthinkable" have occurred on timeline