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
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
harshly ironic or sinister
black humor|a grim joke|grim laughter|fun ranging from slapstick clowning ... to savage mordant wit
Synonym: black, mordant
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
Synonym: dour, forbidding
filled with melancholy and despondency
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|lonely and blue in a strange city|depressed by the loss of his job|a dispirited and resigned expression on her face|downcast after his defeat|feeling discouraged and downhearted
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