Harebrained
Harebrained adjective - Lacking in seriousness or maturity.
Improper and harebrained are semantically related. In some cases you can use "Improper" instead an adjective "Harebrained".
Improper
Improper adjective - Not appropriate for a particular occasion or situation.
Harebrained and improper are semantically related. Sometimes you can use "Harebrained" instead an adjective "Improper".
Nearby Word: improperly
Mutual synonyms
Cite this Source
Improper and Harebrained. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/harebrained/improper
Harebrained & Improper. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/harebrained/improper>.
Improper or Harebrained. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/harebrained/improper.
Google Ngram Viewer shows how "harebrained" and "improper" have occurred on timeline