1. [ adjective ] not to be placated or appeased or moved by entreaty
Synonyms: relentless stern inexorable unforgiving unrelenting unappeasable

"grim determination" "grim necessity" "Russia's final hour, it seemed, approached with inexorable certainty" "relentless persecution" "the stern demands of parenthood

Related terms: implacable
2. [ adjective ] shockingly repellent; inspiring horror
Synonyms: ghastly gruesome macabre grisly

"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"

Related terms: alarming
3. [ adjective ] harshly ironic or sinister
Synonyms: mordant black

"black humor" "a grim joke" "grim laughter" "fun ranging from slapstick clowning ... to savage mordant wit"

Related terms: sarcastic
4. [ adjective ] causing dejection
Synonyms: dark depressing disconsolate dismal dispiriting gloomy blue

"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"

Related terms: cheerless
5. [ adjective ] harshly uninviting or formidable in manner or appearance
Synonyms: forbidding dour

"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

Related terms: unpleasant
6. [ noun ] Last name, frequency rank in the U.S. is 5404
7. [ adjective ] characterized by hopelessness; filled with gloom
Synonyms: gloomy darkening

"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"

Related terms: hopeless
Similar spelling:   grimy