Birdbrain
Birdbrain noun - A stupid person.
Usage example: some birdbrain left the water running
Nut
Nut noun - A person who lacks good sense or judgment.
Usage example: anyone who runs into traffic like that sure is a nut
Cite this Source
Nut and Birdbrain. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/birdbrain/nut
Birdbrain & Nut. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/birdbrain/nut>.
Nut or Birdbrain. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/birdbrain/nut.
Google Ngram Viewer shows how "birdbrain" and "nut" have occurred on timeline