Birdbrained and Silly

Birdbrained

Birdbrained adjective - Lacking in seriousness or maturity.
Usage example: a birdbrained neighbor who is forever giving me tacky tchotchkes

Silly is a synonym for birdbrained in ability topic. In some cases you can use "Silly" instead an adjective "Birdbrained", when it comes to topics like empty, stupid, foolish, fickle.

Silly

Silly adjective - Lacking in seriousness or maturity.
Usage example: the matinee show was filled with a bunch of silly children making noise

Birdbrained is a synonym for silly in ability topic. You can use "Birdbrained" instead an adjective "Silly", if it concerns topics such as daft. informal substitute

Nearby Word: silliness
Cite this Source
Silly and Birdbrained. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/birdbrained/silly
Birdbrained & Silly. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/birdbrained/silly>.
Silly or Birdbrained. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/birdbrained/silly.
Google Ngram Viewer shows how "birdbrained" and "silly" have occurred on timeline