poisonous

For even in sleep malicious jealousy gnaweth, and with wicked spirits disturbeth the soul, and causeth the body to be troubled, and waketh the mind from sleep in confusion; and as a wicked and poisonous spirit, so appeareth it to men.

More terrible than crawling poisonous beasts,

Of poisonous sowings. But with shameless soul

And poisonous spittle with polluted mouths.