Birdbrain
Birdbrain noun - A stupid person.
Usage example: some birdbrain left the water running
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
Mutual synonyms
Cite this Source
Jackass and Birdbrain. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/birdbrain/jackass
Birdbrain & Jackass. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/birdbrain/jackass>.
Jackass or Birdbrain. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/birdbrain/jackass.
Google Ngram Viewer shows how "birdbrain" and "jackass" have occurred on timeline