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
Stupid is a synonym for simple in feeble-minded topic. In some cases you can use "Stupid" instead the word "Simple" as an adjective or a noun, when it comes to topics like characteristic, mental condition, foolish, imbecile.
Stupid
Stupid adjective - Not having or showing an ability to absorb ideas readily.
Usage example: don't ask stupid questions
Simple is a synonym for stupid in mental condition topic. You can use "Simple" instead the word "Stupid" as an adjective or a noun, if it concerns topics such as property, imbecile, irresponsible.
Mutual synonyms
Cite this Source
Stupid and Simple. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/simple/stupid
Simple & Stupid. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/simple/stupid>.
Stupid or Simple. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/simple/stupid.
Google Ngram Viewer shows how "simple" and "stupid" have occurred on timeline