Jackass and Simpleton

Jackass

Jackass noun - A person who lacks good sense or judgment.
Usage example: only a jackass would dive into a lake without first checking to see how deep the water is

Simpleton is a synonym for jackass in ability topic. In some cases you can use "Simpleton" instead a noun "Jackass", when it comes to topics like fool, idiot, moron.

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

Jackass is a synonym for simpleton in ability topic. You can use "Jackass" instead a noun "Simpleton", if it concerns topics such as idiot, moron, halfwit.
Cite this Source
Simpleton and Jackass. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/jackass/simpleton
Jackass & Simpleton. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/jackass/simpleton>.
Simpleton or Jackass. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/jackass/simpleton.
Google Ngram Viewer shows how "jackass" and "simpleton" have occurred on timeline