Words like Grim and Grotesque?

flagitious, antic, fantastic, monstrous, fantastical, atrocious, grievous, dispirited, downcast, intransigent, brutal, exacting, severe, forbidding, austere, dismal, dark, sick, disconsolate, black, grisly, low, unrelenting, down in the mouth, stern, blue, unappeasable, gruesome, macabre, downhearted, mordant, stark, dour, adamantine, strict, relentless, unforgiving, sorry, gloomy, drab, ghastly, depressed, dingy, inexorable, dreary, drear, low-spirited,