Grim
Grim adjective - Harsh and threatening in manner or appearance.
Unhumorous and grim are semantically related In some cases you can use "Unhumorous" instead an adjective "Grim".
Unhumorous
Unhumorous adjective - Lacking humor.
Mutual synonyms
Cite this Source
Unhumorous and Grim. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/grim/unhumorous
Grim & Unhumorous. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/grim/unhumorous>.
Unhumorous or Grim. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/grim/unhumorous.
Google Ngram Viewer shows how "grim" and "unhumorous" have occurred on timeline