Preposterous and Sharp

Preposterous

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

Sharp is an antonym for preposterous.

Sharp

Sharp adjective - Having or showing quickness of mind.
Usage example: any sharp student would have noticed the error immediately

Preposterous is an antonym for sharp.

Cite this Source
Sharp and Preposterous. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/preposterous/sharp
Preposterous & Sharp. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/preposterous/sharp>.
Sharp or Preposterous. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/preposterous/sharp.
Google Ngram Viewer shows how "preposterous" and "sharp" have occurred on timeline