grim

Things that are gloomy, stark, ghastly, and somber are grim. Sunshine, puppies, and rainbows are not grim; zombies, reapers, and mummies are grim. Less scary things like drizzly, foggy days can also be called grim.

Two famous uses of the adjective grim are the Grim Reaper and Grimm's Fairy Tales. Mr. Reaper shows up in movies and books wearing a long, hooded black cape and carrying a scythe, or long-handled blade used, in less grim circumstances, for mowing grass and reaping grain: he represents death. The real-life German brothers wrote some bone-chilling tales under their own name, Grimm, meaning "cruel, fierce," which is related to the English word grim. Modern grim things include crime-drama images of dead bodies and characters in horror movies.

Definitions of grim
1

adj harshly uninviting or formidable in manner or appearance

“a grim man loving duty more than humanity”
“"undoubtedly the grimmest part of him was his iron claw"- J.M.Barrie”
Synonyms:
dour, forbidding
unpleasant
disagreeable to the senses, to the mind, or feelings

adj shockingly repellent; inspiring horror

“the grim aftermath of the bombing”
“the grim task of burying the victims”
Synonyms:
ghastly, grisly, gruesome, macabre, sick
alarming
frightening because of an awareness of danger

adj filled with melancholy and despondency

“took a grim view of the economy”
Synonyms:
blue, depressed, dispirited, down, down in the mouth, downcast, downhearted, gloomy, low, low-spirited
dejected
affected or marked by low spirits

adj harshly ironic or sinister

“a grim joke”
grim laughter”
Synonyms:
black, mordant
sarcastic
expressing or expressive of ridicule that wounds

adj causing dejection

grim rainy weather”
Synonyms:
blue, dark, dingy, disconsolate, dismal, drab, drear, dreary, gloomy, sorry
cheerless, depressing, uncheerful
causing sad feelings of gloom and inadequacy

adj not to be placated or appeased or moved by entreaty

grim determination”
grim necessity”
Synonyms:
inexorable, relentless, stern, unappeasable, unforgiving, unrelenting
implacable
incapable of being placated

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