Grim
Grim adjective - Harsh and threatening in manner or appearance.
Unpropitious and grim are semantically related. In some cases you can use "Unpropitious" instead an adjective "Grim".
Unpropitious
Unpropitious adjective - Not propitious.
Grim and unpropitious are semantically related. Sometimes you can use "Grim" instead an adjective "Unpropitious".
Mutual synonyms
Cite this Source
Unpropitious and Grim. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/grim/unpropitious
Grim & Unpropitious. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/grim/unpropitious>.
Unpropitious or Grim. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/grim/unpropitious.
Google Ngram Viewer shows how "grim" and "unpropitious" have occurred on timeline