Extremely implausible
Unthinkable and extremely implausible are semantically related. In some cases you can use "Unthinkable" instead an adjective phrase "Extremely implausible".
Unthinkable
Unthinkable adjective - Too extraordinary or improbable to believe.
Extremely implausible and unthinkable are semantically related. You can use "Extremely implausible" instead an adjective "Unthinkable".
Nearby Word: unthinking
Mutual synonyms
Cite this Source
Unthinkable and Extremely implausible. (2017). Retrieved 2026, July 22, from https://thesaurus.plus/related/extremely_implausible/unthinkable
Extremely implausible & Unthinkable. N.p., 2017. Web. 22 Jul. 2026. <https://thesaurus.plus/related/extremely_implausible/unthinkable>.
Unthinkable or Extremely implausible. 2017. Accessed July 22, 2026. https://thesaurus.plus/related/extremely_implausible/unthinkable.
Google Ngram Viewer shows how "extremely implausible" and "unthinkable" have occurred on timeline