'Vain' in the Bible

then I will do this to you: I will bring terror on you—wasting disease and fever that will cause your eyes to fail and your life to ebb away. You will sow your seed in vain because your enemies will eat it.

Since I will be found guilty,why should I labor in vain?

Job opens his mouth in vainand multiplies words without knowledge.

She treats her young harshly, as if they were not her own,with no fear that her labor may have been in vain.

Why do the nations rebeland the peoples plot in vain?

“Certainly, man walks about like a mere shadow.Indeed, they frantically rush around in vain,gathering possessionswithout knowing who will get them.

A Solomonic song of ascents.Unless the Lord builds a house,its builders labor over it in vain;unless the Lord watches over a city,the watchman stays alert in vain.

In vain you get up early and stay up late,working hard to have enough food—yes, He gives sleep to the one He loves.

But I myself said: I have labored in vain,I have spent my strength for nothing and futility;yet my vindication is with the Lord,and my reward is with my God.

I have struck down your children in vain;they would not accept discipline.Your own sword has devoured your prophetslike a ravaging lion.

The bellows blow,blasting the lead with fire.The refining is completely in vain;the evil ones are not separated out.

Go up to Gilead and get balm,Virgin Daughter Egypt!You have multiplied remedies in vain;there is no healing for you.

ע AyinAll the while our eyes were failingas we looked in vain for assistance;we watched from our towersfor a nation that refused to help.

When she saw that she waited in vain,that her hope was lost,she took another of her cubsand made him a young lion.

They worship Me in vain,teaching as doctrines the commands of men.”

They worship Me in vain,teaching as doctrines the commands of men.

Therefore, my dear brothers, be steadfast, immovable, always excelling in the Lord’s work, knowing that your labor in the Lord is not in vain.

Working together with Him, we also appeal to you, “Don’t receive God’s grace in vain.”

I went up according to a revelation and presented to them the gospel I preach among the Gentiles—but privately to those recognized as leaders—so that I might not be running, or have run the race, in vain.

Hold firmly to the message of life. Then I can boast in the day of Christ that I didn’t run or labor for nothing.