Birdbrained
Birdbrained adjective - Lacking in seriousness or maturity.
Retardo and birdbrained are semantically related in limited topic. In some cases you can use "Retardo" instead an adjective "Birdbrained".
Retardo
Birdbrained and retardo are semantically related in limited topic. You can use "Birdbrained" instead an adjective "Retardo".
Mutual synonyms
Cite this Source
Retardo and Birdbrained. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/birdbrained/retardo
Birdbrained & Retardo. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/birdbrained/retardo>.
Retardo or Birdbrained. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/birdbrained/retardo.
Google Ngram Viewer shows how "birdbrained" and "retardo" have occurred on timeline