'Severe' in the Bible

Listen carefully, I will throw her on a bed of sickness, and those who commit adultery with her [I will bring] into great anguish, unless they repent of her deeds.

God’s sanctuary in heaven was opened, and the ark of His covenant appeared in His sanctuary. There were flashes of lightning, rumblings of thunder, an earthquake, and severe hail.

Then the fifth angel poured out his bowl on the throne of the beast, and his kingdom was plunged into darkness; and people gnawed their tongues because of the pain [of their excruciating anguish and severe torment],

There were flashes of lightning and rumblings of thunder. And a severe earthquake occurred like no other since man has been on the earth—so great was the quake.

Enormous hailstones, each weighing about 100 pounds, fell from the sky on people, and they blasphemed God for the plague of hail because that plague was extremely severe.