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
Silly is a synonym for preposterous in ability topic. In some cases you can use "Silly" instead the word "Preposterous" as an adjective or a noun, when it comes to topics like foolish, absurd, ridiculous. popular alternative
Silly
Silly adjective - Showing or marked by a lack of good sense or judgment.
Usage example: those silly movie producers who thought that audiences would fall for that gimmick all over again
Preposterous is a synonym for silly in absurd topic. You can use "Preposterous" instead an adjective "Silly", if it concerns topics such as ability, stupid, hare-brained. popular alternative
Nearby Word: silliness
Mutual synonyms
Related pairs
Cite this Source
Silly and Preposterous. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/preposterous/silly
Preposterous & Silly. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/preposterous/silly>.
Silly or Preposterous. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/preposterous/silly.
Google Ngram Viewer shows how "preposterous" and "silly" have occurred on timeline