Crackbrained and Silly

Crackbrained

Crackbrained adjective - Having or showing a very abnormal or sick state of mind.

Silly and crackbrained are semantically related. In some cases you can use "Silly" instead an adjective "Crackbrained".

Silly

Silly adjective - Lacking in seriousness or maturity.

Crackbrained and silly are semantically related. Sometimes you can replace term "Crackbrained" with "Silly", this adjectives are similar.

Nearby Word: silliness
Cite this Source
Silly and Crackbrained. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/crackbrained/silly
Crackbrained & Silly. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/crackbrained/silly>.
Silly or Crackbrained. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/crackbrained/silly.
Google Ngram Viewer shows how "crackbrained" and "silly" have occurred on timeline