Preposterous and Witless

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

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

Witless

Witless adjective - Not having or showing an ability to absorb ideas readily.
Usage example: a dog so witless that it is barely trainable

Preposterous and witless are semantically related. Sometimes you can use "Preposterous" instead an adjective "Witless".
Cite this Source
Witless and Preposterous. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/preposterous/witless
Preposterous & Witless. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/preposterous/witless>.
Witless or Preposterous. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/preposterous/witless.
Google Ngram Viewer shows how "preposterous" and "witless" have occurred on timeline