Adjective grim has 6 senses
- grim, inexorable, relentless, stern, unappeasable, unforgiving, unrelenting - not to be placated or appeased or moved by entreaty; "grim determination"; "grim necessity"; "Russia's final hour, it seemed, approached with inexorable certainty"; "relentless persecution"; "the stern demands of parenthood"
Antonym: placable (indirect, via implacable)
- ghastly, grim, grisly, gruesome, macabre - shockingly repellent; inspiring horror; "ghastly wounds"; "the grim aftermath of the bombing"; "the grim task of burying the victims"; "a grisly murder"; "gruesome evidence of human sacrifice"; "macabre tales of war and plague in the Middle ages"; "macabre tortures conceived by madmen"
Antonym: unalarming (indirect, via alarming)
- black, grim, mordant - harshly ironic or sinister; "black humor"; "a grim joke"; "grim laughter"; "fun ranging from slapstick clowning ... to savage mordant wit"
Antonym: unsarcastic (indirect, via sarcastic)
- blue, dark, depressing, disconsolate, dismal, dispiriting, gloomy, grim - causing dejection; "a blue day"; "the dark days of the war"; "a week of rainy depressing weather"; "a disconsolate winter landscape"; "the first dismal dispiriting days of November"; "a dark gloomy day"; "grim rainy weather"
Antonym: cheerful (indirect, via cheerless)
- dour, forbidding, grim - harshly uninviting or formidable in manner or appearance; "a dour, self-sacrificing life"; "a forbidding scowl"; "a grim man loving duty more than humanity"; "undoubtedly the grimmest part of him was his iron claw"- J.M.Barrie
Antonym: pleasant (indirect, via unpleasant)
- gloomy, grim, darkening - characterized by hopelessness; filled with gloom; "gloomy at the thought of what he had to face"; "gloomy predictions"; "a gloomy silence"; "took a grim view of the economy"; "the darkening mood"
Antonym: hopeful (indirect, via hopeless)
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