Synonyms of mirthless in English:

mirthless


See US English definition of mirthless

See UK English definition of mirthless

See Spanish definition of triste

adjective

1‘his lips twisted into a mirthless grin’

SYNONYMS
humourless, unamused, grim, glum, moody, sour, surly, dour, sullen, sulky, gloomy, scowling, glowering, sombre, lugubrious, mournful, melancholy, melancholic, doleful, miserable, dismal, grumpy, churlish, grouchy
ANTONYMS

cheerful, smiling