Preposterous and Unreasoning

Preposterous

Preposterous adjective - Showing or marked by a lack of good sense or judgment.
Usage example: a preposterous suggestion to go swimming in this freezing weather

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

Unreasoning

Unreasoning adjective - Not using or following good reasoning.
Usage example: an unreasoning argument based on some false assumptions

Preposterous and unreasoning are semantically related in illogical topic. You can use "Preposterous" instead an adjective "Unreasoning".

Cite this Source
Unreasoning and Preposterous. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/preposterous/unreasoning
Preposterous & Unreasoning. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/preposterous/unreasoning>.
Unreasoning or Preposterous. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/preposterous/unreasoning.
Google Ngram Viewer shows how "preposterous" and "unreasoning" have occurred on timeline