'Demonic' in the Bible

The demonic goat is the king of Greece, and the great horn between its eyes is its first king.

Someone has left you who plans evil against the LORD. He is a demonic counselor.

And the demonic spirits begged him, "Send us into the pigs. Let us enter them."

In the synagogue there was a man with an unclean demonic spirit who cried out with a loud voice,

Now a large herd of pigs was feeding there on the hillside, and the demonic spirits begged Jesus to let them go into them. He gave them permission.

Now the Spirit explicitly says that in the later times some will desert the faith and occupy themselves with deceiving spirits and demonic teachings,

Such wisdom does not come from above but is earthly, unspiritual, demonic.

They are demonic spirits that perform signs. They go to the kings of the whole earth and gather them for the war of the great Day of God Almighty.