'Vain' in the Bible

Bring no more vain oblations! Incense is an abomination unto me, new moon and sabbath, the calling of convocations wickedness and the solemn meeting I cannot bear.

We have heard of the arrogance of Moab, he is very proud, of his pride, and his arrogance, and his wrath: his pratings are vain.

For Egypt shall help in vain, and to no purpose; therefore have I named her, Arrogance, that doeth nothing.

I have not spoken in secret, in a dark place of the earth; I said not unto the seed of Jacob, Seek me in vain: I am Jehovah, speaking righteousness, declaring things which are right.

And I said, I have laboured in vain, I have spent my strength for nought and in vain; nevertheless my judgment is with Jehovah, and my work with my God.

They shall not labour in vain, nor bring forth for terror; for they are the seed of the blessed of Jehovah, and their offspring with them.