When you take over the kitchen at someone else's house without permission because you think you are a better cook, this is an example of when you commandeer the kitchen.
When the police are chasing a suspect and they take your vehicle to do so, this is an example of when they commandeer your vehicle.
When you convince someone to help you plan a wedding even if he doesn't want to, this is an example of when you commandeer his help.
Origin of commandeer
- Afrikaans kommandeer from early Modern Dutch commanderen from French commander to command from Old French comander command
From American Heritage Dictionary of the English Language, 5th Edition