2 Peter 2:4

For if God did not spare the angels when they sinned, but cast them deep into hell, placing them in chains of darkness to be held for judgment;

Berean Standard Bible
Other translations

King James Version

For if God spared not the angels that sinned, but cast them down to hell, and delivered them into chains of darkness, to be reserved unto judgment;

World English Bible

For if God didn’t spare angels when they sinned, but cast them down to Tartarus, and committed them to pits of darkness to be reserved for judgment;

American Standard Version

For if God spared not angels when they sinned, but cast them down to hell, and committed them to pits of darkness, to be reserved unto judgment;

Geneva Bible 1599

For if God spared not the Angels that had sinned, but cast them downe into hell, and deliuered them into chaines of darkenes, to be kept vnto damnation:

Darby Translation

For if God spared not [the] angels who had sinned, but having cast them down to the deepest pit of gloom has delivered them to chains of darkness [to be] kept for judgment;

Young's Literal Translation

For if God messengers who sinned did not spare, but with chains of thick gloom, having cast [them] down to Tartarus, did deliver [them] to judgment, having been reserved,

Bible in Basic English

For if God did not have pity for the angels who did evil, but sent them down into hell, to be kept in chains of eternal night till they were judged;

In context

3In their greed, these false teachers will exploit you with deceptive words. The longstanding verdict against them remains in force, and their destruction does not sleep.

5if He did not spare the ancient world when He brought the flood on its ungodly people, but preserved Noah, a preacher of righteousness, among the eight;

Read 2 Peter 2