Harebrained
Harebrained adjective - Lacking in seriousness or maturity.
Subnormal and harebrained are semantically related. In some cases you can use "Subnormal" instead an adjective "Harebrained".
Subnormal
Subnormal adjective - Of a size that is less than average.
Harebrained and subnormal are semantically related. Sometimes you can use "Harebrained" instead an adjective "Subnormal".
Mutual synonyms
Cite this Source
Subnormal and Harebrained. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/harebrained/subnormal
Harebrained & Subnormal. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/harebrained/subnormal>.
Subnormal or Harebrained. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/harebrained/subnormal.
Google Ngram Viewer shows how "harebrained" and "subnormal" have occurred on timeline