Preposterous and Unwarranted

Preposterous

Preposterous adjective - Conceived or made without regard for reason or reality.

Unwarranted and preposterous are semantically related. In some cases you can use "Unwarranted" instead an adjective "Preposterous".

Unwarranted

Unwarranted adjective - Having no basis in reason or fact.
Usage example: don't leap to unwarranted conclusions

Preposterous and unwarranted are semantically related. Sometimes you can use "Preposterous" instead an adjective "Unwarranted".

Nearby Word: unwarrantable
Cite this Source
Unwarranted and Preposterous. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/preposterous/unwarranted
Preposterous & Unwarranted. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/preposterous/unwarranted>.
Unwarranted or Preposterous. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/preposterous/unwarranted.
Google Ngram Viewer shows how "preposterous" and "unwarranted" have occurred on timeline