Pocket Thesaurus
Antonyms of grim
gloomy, harsh, horrid, sour, somber, terrible, cruel, glum, grisly, ghastly, stern, gruesome, shocking, ominous, bleak, austere, barbarous, cantankerous, churlish, crusty, dogged, ferocious, fierce, forbidding, foreboding, formidable, frightful, funereal, grouchy, grumpy, hideous, implacable, inexorable, intractable, merciless, morose, relentless, resolute, ruthless, severe, sinister, stubborn, sulky, sullen, surly, truculent, unrelenting, unyielding, crabbed, glowering, scowling, splenetic
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