grim 4 Associations

inexorable relentless stern unappeasable unforgiving unrelenting implacable (similar term)

grim 4 Associations

ghastly grisly gruesome macabre sick alarming (similar term)

grim 4 Associations

black mordant sarcastic (similar term)

grim 4 Associations

blue dark depressing dingy disconsolate dismal dispiriting

grim 4 Associations

dour forbidding unpleasant (similar term)

grim 4 Associations

gloomy darkening hopeless (similar term)