Birdbrain
Birdbrain noun - A silly flighty person.
Mutual synonyms
Cite this Source
Dupe and Birdbrain. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/birdbrain/dupe
Birdbrain & Dupe. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/birdbrain/dupe>.
Dupe or Birdbrain. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/birdbrain/dupe.
Google Ngram Viewer shows how "birdbrain" and "dupe" have occurred on timeline