Simple
Simple adjective - Not having or showing an ability to absorb ideas readily.
Usage example: don't be so quick to characterize people who have trouble with computers as simple
Thickheaded and simple are semantically related. In some cases you can use "Thickheaded" instead an adjective "Simple".
Thickheaded
Thickheaded adjective - Not having or showing an ability to absorb ideas readily.
Usage example: don't suppose that he's thickheaded just because he doesn't understand English very well
Simple and thickheaded are semantically related. Sometimes you can use "Simple" instead an adjective "Thickheaded".
Mutual synonyms
Cite this Source
Thickheaded and Simple. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/simple/thickheaded
Simple & Thickheaded. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/simple/thickheaded>.
Thickheaded or Simple. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/simple/thickheaded.
Google Ngram Viewer shows how "simple" and "thickheaded" have occurred on timeline