Harebrained
Harebrained adjective - Lacking in seriousness or maturity.
Jumpy and harebrained are semantically related. In some cases you can use "Jumpy" instead an adjective "Harebrained".
Jumpy
Jumpy adjective - Easily excited by nature.
Harebrained and jumpy are semantically related. Sometimes you can use "Harebrained" instead an adjective "Jumpy".
Cite this Source
Jumpy and Harebrained. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/harebrained/jumpy
Harebrained & Jumpy. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/harebrained/jumpy>.
Jumpy or Harebrained. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/harebrained/jumpy.
Google Ngram Viewer shows how "harebrained" and "jumpy" have occurred on timeline