Harebrained and Headlong

Harebrained

Harebrained adjective - Lacking in seriousness or maturity.

Headlong and harebrained are semantically related. In some cases you can use "Headlong" instead an adjective "Harebrained".

Headlong

Headlong adjective - Acting or done with excessive or careless speed.

Harebrained and headlong are semantically related. Sometimes you can use "Harebrained" instead an adjective "Headlong".
Cite this Source
Headlong and Harebrained. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/harebrained/headlong
Harebrained & Headlong. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/harebrained/headlong>.
Headlong or Harebrained. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/harebrained/headlong.
Google Ngram Viewer shows how "harebrained" and "headlong" have occurred on timeline