Crackbrained
Crackbrained adjective - Having or showing a very abnormal or sick state of mind.
Keyed up and crackbrained are semantically related. In some cases you can use "Keyed up" instead an adjective "Crackbrained".
Keyed up
Crackbrained and keyed up are semantically related. Sometimes you can use "Crackbrained" instead an adjective "Keyed up".
Mutual synonyms
Cite this Source
Keyed up and Crackbrained. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/crackbrained/keyed_up
Crackbrained & Keyed up. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/crackbrained/keyed_up>.
Keyed up or Crackbrained. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/crackbrained/keyed_up.
Google Ngram Viewer shows how "crackbrained" and "keyed up" have occurred on timeline