Birdbrained
Birdbrained adjective - Lacking in seriousness or maturity.
Usage example: a birdbrained neighbor who is forever giving me tacky tchotchkes
Crazy and birdbrained are semantically related. in stupid topic. In some cases you can use "Crazy" instead an adjective "Birdbrained", when it comes to topics like foolish, very stupid.
Crazy
Crazy adjective - Showing or marked by a lack of good sense or judgment.
Usage example: a crazy plan to climb Mount Everest without proper equipment
Birdbrained and crazy are semantically related. Sometimes you can use "Birdbrained" instead an adjective "Crazy".
Mutual synonyms
Cite this Source
Crazy and Birdbrained. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/birdbrained/crazy
Birdbrained & Crazy. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/birdbrained/crazy>.
Crazy or Birdbrained. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/birdbrained/crazy.
Google Ngram Viewer shows how "birdbrained" and "crazy" have occurred on timeline