Lunatic
Lunatic noun - A person who lacks good sense or judgment.
Usage example: we all knew she was a lunatic, but we never expected her to try to jump off of the roof of the school with a hang glider
Simpleton and lunatic are semantically related in madman topic. In some cases you can use "Simpleton" instead a noun "Lunatic".
Simpleton
Simpleton noun - A person who lacks good sense or judgment.
Usage example: his silly antics at office parties have earned him a reputation as a simpleton
How words are described
Cite this Source
Simpleton and Lunatic. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/lunatic/simpleton
Lunatic & Simpleton. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/lunatic/simpleton>.
Simpleton or Lunatic. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/lunatic/simpleton.
Google Ngram Viewer shows how "lunatic" and "simpleton" have occurred on timeline