Knuckleheaded and Simpleminded

Knuckleheaded

Knuckleheaded adjective - Not having or showing an ability to absorb ideas readily.
Usage example: the editorial lampooned the knuckleheaded legislation, which was yet another attempt by the government to protect people from themselves

Simpleminded and knuckleheaded are semantically related. In some cases you can use "Simpleminded" instead an adjective "Knuckleheaded".

Simpleminded

Simpleminded adjective - Showing or marked by a lack of good sense or judgment.
Usage example: scornful of their simpleminded belief that their parents would always be there to take care of them

Knuckleheaded and simpleminded are semantically related. Sometimes you can use "Knuckleheaded" instead an adjective "Simpleminded".
Cite this Source
Simpleminded and Knuckleheaded. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/knuckleheaded/simpleminded
Knuckleheaded & Simpleminded. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/knuckleheaded/simpleminded>.
Simpleminded or Knuckleheaded. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/knuckleheaded/simpleminded.
Google Ngram Viewer shows how "knuckleheaded" and "simpleminded" have occurred on timeline