'Fierce' in the Bible

Tell him, 'Be careful, and keep calm. Don't be afraid, neither let your heart be faint because of these two tails of smoking torches, for the fierce anger of Rezin and Syria, and of the son of Remaliah.

Behold, the day of Yahweh comes, cruel, with wrath and fierce anger; to make the land a desolation, and to destroy its sinners out of it.

Therefore I will make the heavens tremble, and the earth will be shaken out of its place in the wrath of Yahweh of Armies, and in the day of his fierce anger.

I will give over the Egyptians into the hand of a cruel lord. A fierce king will rule over them," says the Lord, Yahweh of Armies.

You will no longer see the fierce people, a people of a deep speech that you can't comprehend, with a strange language that you can't understand.