Synonyms of baleful

1 Syllable
dire
2 Syllables
deadliest, fatal, deadlier, septic, wreckful, ruinous, harmful, evil, noxious, lethal, doomful, maligns, woeful, deadly, loury, malign, hurtful
3 Syllables
direful, pernicious, viperous, malefic, ominous, lowery, injurious, viperish, necrotic, tumbledown, malicious, toxicant, blackhearted, venomous, impendent, poisonous, malignant, baneful, sinister, miasmatic, threatening, maligning
4 Syllables
lethiferous, malificent, inauspicious, unpromising, malevolent, detrimental, minatory, maleficent, destructive, calamitous, precursive, foreboding, mephitical, bad-natured, vindictive, ill-omened
5 Syllables
extirpative, premonitory, comminatory
6 Syllables
annihilative, eradicative