Silly and Unintelligent

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

Unintelligent is a synonym for silly in ability topic. In some cases you can use "Unintelligent" instead an adjective "Silly", when it comes to topics like mental condition, foolish, absurd.

Nearby Word: silliness

Unintelligent

Unintelligent adjective - Not having or showing an ability to absorb ideas readily.
Usage example: you're not unintelligent, so you must just be stubbornly resisting all attempts to teach you something

Silly is a synonym for unintelligent in ability topic. You can use "Silly" instead an adjective "Unintelligent", if it concerns topics such as mental condition.
Cite this Source
Unintelligent and Silly. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/silly/unintelligent
Silly & Unintelligent. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/silly/unintelligent>.
Unintelligent or Silly. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/silly/unintelligent.
Google Ngram Viewer shows how "silly" and "unintelligent" have occurred on timeline