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
Simple is a synonym for silly in mental condition topic. In some cases you can use "Simple" instead the word "Silly" as an adjective or a noun, when it comes to topics like absurd, mindless.
Nearby Word: silliness
Simple
Simple adjective - Lacking in education or the knowledge gained from books.
Usage example: the fact that he didn't go to college doesn't mean he's simple
Silly is a synonym for simple in feeble-minded topic. Sometimes you can use "Silly" instead the word "Simple" as an adjective or a noun, if it concerns topics such as characteristic, mental condition, mindless.
Mutual synonyms
Cite this Source
Simple and Silly. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/silly/simple
Silly & Simple. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/silly/simple>.
Simple or Silly. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/silly/simple.
Google Ngram Viewer shows how "silly" and "simple" have occurred on timeline