Synonyms of sullen in English:

sullen


See US English definition of sullen

See UK English definition of sullen

See Spanish definition of hosco

adjective

1‘a bunch of sullen, spoilt brats’

SYNONYMS
surly, sulky, pouting, sour, morose, resentful, glum, moody, gloomy, joyless, frowning, glowering, grumpy, touchy, peevish, indignant, embittered
bad-tempered, ill-tempered, cross, angry, testy
unresponsive, uncommunicative, unsociable, uncivil, unmannerly, unfriendly
informal stroppy
ANTONYMS

cheerful, sociable