3 occurrences across the corpus

King James Version

Ezekiel 35:13

Thus with your mouth ye have boasted against me, and have multiplied your words against me: I have heard them.

2 Corinthians 7:14

For if I have boasted any thing to him of you, I am not ashamed; but as we spake all things to you in truth, even so our boasting, which I made before Titus, is found a truth.

KJV Apocrypha (Catholic Deuterocanon)

Sirach (Ecclesiasticus) 48:18

In his time Sennacherib came up, and sent Rabsaces, and lifted up his hand against Sion, and boasted proudly.