'Vain' in the Bible

Bring no more vain offerings. Incense is an abomination to me; new moons, Sabbaths, and convocations: I can't bear with evil assemblies.

For Egypt helps in vain, and to no purpose; therefore have I called her Rahab who sits still.

I say that your counsel and strength for the war are only vain words. Now in whom do you trust, that you have rebelled against me?

Everyone who makes an engraved image is vain. The things that they delight in will not profit. Their own witnesses don't see, nor know, that they may be disappointed.

I have not spoken in secret, in a place of the land of darkness. I didn't say to the seed of Jacob, 'Seek me in vain.' I, Yahweh, speak righteousness. I declare things that are right.

But I said, "I have labored in vain, I have spent my strength for nothing and vanity; yet surely the justice [due] to me is with Yahweh, and my reward with my God."

You were wearied with the length of your way; yet you didn't say, 'It is in vain.' You found a reviving of your strength; therefore you weren't faint.

They shall not labor in vain, nor bring forth for calamity; for they are the seed of the blessed of Yahweh, and their offspring with them.