Grim
Grim adjective - Harsh and threatening in manner or appearance.
Sinistrous and grim are semantically related. In some cases you can replace term "Sinistrous" with "Grim", this adjectives are similar.
Sinistrous
Cite this Source
Sinistrous and Grim. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/grim/sinistrous
Grim & Sinistrous. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/grim/sinistrous>.
Sinistrous or Grim. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/grim/sinistrous.
Google Ngram Viewer shows how "grim" and "sinistrous" have occurred on timeline