Lunatic
Pinheaded
Pinheaded adjective - Not having or showing an ability to absorb ideas readily.
Usage example: pinheaded leadership that got us into this mess
Mutual synonyms
Cite this Source
Pinheaded and Lunatic. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/lunatic/pinheaded
Lunatic & Pinheaded. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/lunatic/pinheaded>.
Pinheaded or Lunatic. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/lunatic/pinheaded.
Google Ngram Viewer shows how "lunatic" and "pinheaded" have occurred on timeline