Grim
Grim adjective - Showing no signs of slackening or yielding in one's purpose.
Usage example: with grim determination, the woman worked three jobs to put her fatherless children through college
Ruthless is a synonym for grim in merciless topic. In some cases you can use "Ruthless" instead an adjective "Grim", when it comes to topics like cruel, ferocious, hopeless, unforgiving.
Ruthless
Ruthless adjective - Having or showing a lack of sympathy or tender feelings.
Usage example: an office supervisor with a ruthless disregard for others' feelings
Grim is a synonym for ruthless in mean topic. You can use "Grim" instead an adjective "Ruthless", if it concerns topics such as cruel, ferocious, unforgiving.
Nearby Words: ruthlessly, ruth
Mutual synonyms
Both words in one sentence
- Crackerjack in Astro City, not in the sense of being grim and ruthless, but in the sense that he fights crime and saves people primarily for his own self-aggrandizement and is, simply put, a jerk.
Source: Anti Hero / Comic Books - Later Kungas too, though Kungas was a bit more grim and ruthless then Eon.
Source: The Good King - While Hardrada for some reason is not regularly transliterated into history books, it means something like "hard" "ruthless" or "grim".
Cite this Source
Ruthless and Grim. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/grim/ruthless
Grim & Ruthless. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/grim/ruthless>.
Ruthless or Grim. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/grim/ruthless.
Google Ngram Viewer shows how "grim" and "ruthless" have occurred on timeline