'Vain' in the Bible

Thus says Yahweh, "What unrighteousness have your fathers found in me, that they have gone far from me, and have walked after vanity, and are become vain?

"Withhold your foot from being unshod, and your throat from thirst. But you said, 'It is in vain. No, for I have loved strangers, and I will go after them.'

"I have struck your children in vain. They received no correction. Your own sword has devoured your prophets, like a destroying lion.

Truly in vain is [the help that is looked for] from the hills, the tumult on the mountains. Truly the salvation of Israel is in Yahweh our God.

You, when you are made desolate, what will you do? Though you clothe yourself with scarlet, though you deck you with ornaments of gold, though you enlarge your eyes with paint, in vain do you make yourself beautiful; [your] lovers despise you, they seek your life.

The bellows blow fiercely; the lead is consumed of the fire: in vain do they go on refining; for the wicked are not plucked away.

But they say, It is in vain; for we will walk after our own devices, and we will do everyone after the stubbornness of his evil heart.

Behold, I am against those who prophesy lying dreams, says Yahweh, and do tell them, and cause my people to err by their lies, and by their vain boasting: yet I didn't send them, nor commanded them; neither do they profit this people at all, says Yahweh.

Go up into Gilead, and take balm, virgin daughter of Egypt: in vain do you use many medicines; there is no healing for you.

For, behold, I will stir up and cause to come up against Babylon a company of great nations from the north country; and they shall set themselves in array against her; from there she shall be taken: their arrows shall be as of an expert mighty man; none shall return in vain.