Grim and Harebrained

Grim

Grim adjective - Harsh and threatening in manner or appearance.
Usage example: a grim and short-tempered shopkeeper who didn't exactly invite friendly conversation

Harebrained is an antonym for grim.

Nearby Words: grimy, grimly, grimed

Harebrained

Harebrained adjective - Lacking in seriousness or maturity.

Grim is an antonym for harebrained.
Cite this Source
Harebrained and Grim. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/grim/harebrained
Grim & Harebrained. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/grim/harebrained>.
Harebrained or Grim. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/grim/harebrained.
Google Ngram Viewer shows how "grim" and "harebrained" have occurred on timeline