Preposterous and Well-advised

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

Well-advised is an antonym for preposterous.

Well-advised

Well-advised adjective - Having the benefit of careful prior consideration or counsel.

Preposterous is an antonym for well-advised.
Cite this Source
Well-advised and Preposterous. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/preposterous/well-advised
Preposterous & Well-advised. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/preposterous/well-advised>.
Well-advised or Preposterous. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/preposterous/well-advised.