'Uselessly' in the Bible

I, in turn, will do this to you: I will appoint over you a sudden terror, consumption and fever that will waste away the eyes and cause the soul to pine away; also, you will sow your seed uselessly, for your enemies will eat it up.

Your strength will be spent uselessly, for your land will not yield its produce and the trees of the land will not yield their fruit.

“Oh that there were one among you who would shut the gates, that you might not uselessly kindle fire on My altar! I am not pleased with you,” says the Lord of hosts, “nor will I accept an offering from you.