Harebrained
Harebrained adjective - Lacking in seriousness or maturity.
Mercurial and harebrained are semantically related. In some cases you can use "Mercurial" instead an adjective "Harebrained".
Mercurial
Mercurial adjective - Likely to change frequently, suddenly, or unexpectedly.
Harebrained and mercurial are semantically related. Sometimes you can use "Harebrained" instead an adjective "Mercurial".
Mutual synonyms
Related pairs
- capricious and harebrained
- capricious and mercurial
- unstable and harebrained
- unstable and mercurial
- hasty and harebrained
- hasty and mercurial
- volatile and harebrained
- volatile and mercurial
- unsteady and harebrained
- unsteady and mercurial
- changeable and harebrained
- changeable and mercurial
- skittish and harebrained
- skittish and mercurial
Cite this Source
Mercurial and Harebrained. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/harebrained/mercurial
Harebrained & Mercurial. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/harebrained/mercurial>.
Mercurial or Harebrained. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/harebrained/mercurial.
Google Ngram Viewer shows how "harebrained" and "mercurial" have occurred on timeline