benign Antonyms - page 5

mischievous intense insalutary insalubrious injurious inhuman infective infectious indicate incursive inclement inauspicious impious ill-natured ill internecine intimidatory lethal minatory miasmatic merciless mephitical mephitic menacing mean-spirited mean malignant malicious malevolent maleficial libelous lethiferous hurtful hostile flagitious fierce fiendly fiendlike fiendish fatal factious extirpative exterminatory erosive eradicative epizootic envenomed doggish foggy forbidding