'Vain' in the Bible

Bring no more vain oblations; incense is an abomination unto me; the new moons and sabbaths, the calling of assemblies, I cannot away with; it is iniquity, even the solemn meeting.

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 the Egyptians shall help in vain, and to no purpose: therefore have I cried concerning this, Their strength is to sit still.

I say, sayest thou, (but they are but vain words) I have counsel and strength for war: now on whom dost thou trust, that thou rebellest 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.

For thus saith the LORD that created the heavens; God himself that formed the earth and made it; he hath established it, he created it not in vain, he formed it to be inhabited: I am the LORD; and there is none else.

I have not spoken in secret, in a dark place of the earth: I said not unto the seed of Jacob, Seek ye me in vain: I the LORD speak righteousness, I declare things that are right.

Then I said, I have laboured in vain, I have spent my strength for nought, and in vain: yet surely my judgment is with the LORD, and my work with my God.

Thou wast wearied with the length of thy way; yet saidst thou not, It is in vain: thou didst find a quickening of thy strength; therefore thou wast not faint.

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