grim

not to be placated or appeased or moved by entreaty

• “grim determination”
• “grim necessity”
• “Russia”
• “;”
• “;”

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”

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”

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

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”