malignant
adjective
[ məˈlɪɡnənt ]
• evil in nature or effect; malevolent.
• "in the hands of malignant fate"
Similar:
spiteful,
hostile,
malevolent,
malicious,
malign,
evil-intentioned,
baleful,
full of hate,
vicious,
nasty,
poisonous,
venomous,
acrimonious,
rancorous,
splenetic,
cruel,
• (of a disease) very virulent or infectious.
Similar:
virulent,
infectious,
invasive,
uncontrollable,
dangerous,
harmful,
pernicious,
deadly,
fatal,
life-threatening,
lethal,
terminal,
incurable,
Origin:
mid 16th century (also in the sense ‘likely to rebel against God or authority’): from late Latin malignant- ‘contriving maliciously’, from the verb malignare . The term was used in its early sense to describe Royalist sympathizers during the English Civil War.