baneful

Mane (Îngilîzî)

1. (archaic) Poisonous, deadly.
2. Harmful, injurious.

Hevwate

pernicious

baleful

fatal

deadly

pestilent

ruinous

disastrous

noxious

harmful

destructive

calamitous

dreadful

evil

deleterious

malign

malignant

menacing

minacious

minatory

mortal

murderous

ominous

painful

pestiferous

sinister

sullen

aching

threatening

afflictive

angry

😠

dark

dire

direful

fateful

imminent

impendent

impending

killable

lethal

lowering

malefic

Werger

funeste

verderblich

letal

pernicioso

θανάσιμος

ολέθριος

schädlich

καταστρεπτικός

perniciosa

pernicieux

tödlich

délétère

pernicioso

pernicioso

Etîmolojî (Îngilîzî)

From bane + -ful.