'Deadly' in the Bible

They shall take up serpents; and if they drink any deadly thing, it shall not hurt them; they shall lay hands on the sick, and they shall recover.

During the passage He fell asleep, and there came down a squall of wind on the Lake, so that the boat began to fill and they were in deadly peril.

There will be violent earthquakes, and in various places famines and [deadly and devastating] pestilences (plagues, epidemics); and there will be terrible sights and great signs from heaven.

To some people we are a deadly fragrance, while to others we are a living fragrance. Who is qualified for this?

For [godly] sorrow that is in accord with the will of God produces a repentance without regret, leading to salvation; but worldly sorrow [the hopeless sorrow of those who do not believe] produces death.

But the tongue can no man tame; it is an unruly evil, full of deadly poison.

Furthermore, I will strike her followers with a deadly disease, and then all the churches will know that I am the one who searches minds and hearts. I will repay each one of you what your deeds deserve.

And I saw one of his heads as it were wounded to death; and his deadly wound was healed: and all the world wondered after the beast.

And he exerciseth all the power of the first beast before him, and causeth the earth and them which dwell therein to worship the first beast, whose deadly wound was healed.