5 occurrences across the corpus

King James Version

Colossians 2:18

Let no man beguile you of your reward in a voluntary humility and worshipping of angels, intruding into those things which he hath not seen, vainly puffed up by his fleshly mind,

Apostolic Fathers

Martyrdom of Polycarp 10:1

And when the proconsul yet again pressed him, and said, “Swear by the fortune of Cæsar,” he answered, “Since thou art vainly urgent that, as thou sayest, I should swear by the fortune of Cæsar, and pretendest not to know who and what I am, hear me declare with boldness, I am a Christian. And if you wish to learn what the doctrines of Christianity are, appoint me a day, and thou shalt hear them.” The proconsul replied, “Persuade the people.” But Polycarp said, “To thee I have thought it right to offer an account [of my faith]; for we are taught to give all due honour (which entails no injury upon ourselves) to the powers and authorities which are ordained of God. But as for _these_, I do not deem them worthy of receiving any account from me.”

OT Pseudepigrapha

The Letter of Aristeas 6:9

Beginning from his starting point, he went on to show that all mankind except ourselves believe in the existence of many gods, though they themselves are much more powerful than the beings whom they vainly worship.

4 Maccabees 2:46

And yet, were our Law, as you suggest, not truly divine, while we vainly believed it to be divine, not even so would it be right for us to destroy our reputation for piety.

Odes of Solomon 28:16

And vainly did they make attack upon me and those who, without reward, came after me: