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
Nitwit
Nitwit noun - A person who lacks good sense or judgment.
Usage example: don't be a nitwit—wear a seat belt!
Mutual synonyms
Cite this Source
Nitwit and Jackass. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/jackass/nitwit
Jackass & Nitwit. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/jackass/nitwit>.
Nitwit or Jackass. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/jackass/nitwit.
Google Ngram Viewer shows how "jackass" and "nitwit" have occurred on timeline