'Useless' in the Bible

Should he argue with useless talkor with words that serve no good purpose?

They will vanish like water that flows by;they will aim their useless arrows.

they reeled and staggered like drunken men,and all their skill was useless.

Stop bringing useless offerings.Your incense is detestable to Me.New Moons and Sabbaths,and the calling of solemn assemblies—I cannot stand iniquity with a festival.

The priests quit asking, “Where is the Lord?”The experts in the law no longer knew Me,and the rulers rebelled against Me.The prophets prophesied by Baaland followed useless idols.

Has a nation ever exchanged its gods?(But they were not gods!)Yet My people have exchanged their Gloryfor useless idols.

“I wish one of you would shut the temple doors, so you would no longer kindle a useless fire on My altar! I am not pleased with you,” says the Lord of Hosts, “and I will accept no offering from your hands.

You have said: “It is useless to serve God. What have we gained by keeping His requirements and walking mournfully before the Lord of Hosts?