Synonyms of grim in English:

grim


See definition of grim

adjective

1‘she took in his grim expression’

SYNONYMS
stern, forbidding, uninviting, unapproachable, aloof, distant
formidable, strict, dour, harsh
steely, flinty, stony
fierce, ferocious, threatening, menacing, mean-looking
cross, churlish, crabbed, surly, sour, ill-tempered, unsmiling
cruel, ruthless, merciless
British informal boot-faced
ANTONYMS

amiable, pleasant

2‘she was caught between a rock and a hard place, she realized with grim humour’

SYNONYMS
black, dark, mirthless, bleak, cynical, fatalistic
ANTONYMS

light-hearted

3‘the asylum holds some grim secrets’

SYNONYMS
dreadful, dire, ghastly, horrible, horrendous, horrid, terrible, awful, appalling, frightful, shocking, unspeakable, atrocious, harrowing
grisly, gruesome, hideous, disgusting, revolting, gory, macabre, morbid
depressing, distressing, upsetting, worrying, concerning, unpleasant, disagreeable

4‘a grim little hovel’

SYNONYMS
bleak, dreary, dismal, dingy, wretched, miserable, disheartening, depressing, cheerless, comfortless, joyless, gloomy, sombre, uninviting, drab
informal godawful

5‘two beasts locked in grim combat’

SYNONYMS
merciless, cruel, ruthless, pitiless, savage, vicious, brutal, harsh, severe

6‘there was grim determination in every line of her face’

SYNONYMS
resolute, determined, firm, decided, steadfast, dead set
obstinate, stubborn, obdurate
unyielding, uncompromising, unbending, unwavering, unfaltering, unshakeable, intractable, adamant, inflexible
unrelenting, relentless, dogged, tenacious, inexorable, persistent, strong-willed
ANTONYMS

irresolute