Synonyms of blackhearted

1 Syllable

bad, dire

2 Syllables

harmful, evil, corrupt, doomful, woeful, malign, hurtful

3 Syllables

pernicious, portentous, adverse, baleful, dishonest, malefic, ominous, injurious, lowering, disquieting, mischievous, obnoxious, ill-boding, poisonous, malignant, baneful, sinister, unlucky, threatening, disastrous, perverse

4 Syllables

inauspicious, malevolent, deleterious, foreboding, unpropitious

5 Syllables

apocalyptic, unfavorable, unfortunate