Blockhead
Birdbrain
Birdbrain noun - A stupid person.
Usage example: some birdbrain left the water running
Blockhead and birdbrain are semantically related in fool topic. You can use "Blockhead" instead a noun "Birdbrain", if it concerns topics such as stupid person, stupid or ridiculous person.
Mutual synonyms
Cite this Source
Birdbrain and Blockhead. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/blockhead/birdbrain
Blockhead & Birdbrain. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/blockhead/birdbrain>.
Birdbrain or Blockhead. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/blockhead/birdbrain.
Google Ngram Viewer shows how "blockhead" and "birdbrain" have occurred on timeline