Crazy
Crazy adjective - Showing or marked by a lack of good sense or judgment.
Usage example: a crazy plan to climb Mount Everest without proper equipment
Thickheaded and crazy are semantically related. In some cases you can use "Thickheaded" instead an adjective "Crazy".
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
Crazy and thickheaded are semantically related. Sometimes you can use "Crazy" instead an adjective "Thickheaded".
Mutual synonyms
Related pairs
Cite this Source
Thickheaded and Crazy. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/crazy/thickheaded
Crazy & Thickheaded. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/crazy/thickheaded>.
Thickheaded or Crazy. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/crazy/thickheaded.
Google Ngram Viewer shows how "crazy" and "thickheaded" have occurred on timeline