Improbable and Unreasonable

Improbable

Improbable adjective - Not likely to be true or to occur.

Unreasonable and improbable are semantically related. In some cases you can use "Unreasonable" instead an adjective "Improbable".

Nearby Words: improbability, improbably

Unreasonable

Unreasonable adjective - Having no basis in reason or fact.

Improbable and unreasonable are semantically related. Sometimes you can use "Improbable" instead an adjective "Unreasonable".

Cite this Source
Unreasonable and Improbable. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/improbable/unreasonable
Improbable & Unreasonable. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/improbable/unreasonable>.
Unreasonable or Improbable. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/improbable/unreasonable.
Google Ngram Viewer shows how "improbable" and "unreasonable" have occurred on timeline