e.g. The workers called a strike for better pay and conditions, so the machinery sat idle.
e.g. She did not like to waste her time in idle chatter with her coworkers.
e.g. The boys were idling outside the candy shop.
e.g. He had so many idle fears as a child.
e.g. She idled away the evening by just relaxing on the swing.
e.g. No one attended to her idle threats because they knew she couldn't do much.