What is the antonym of wagon?

There isn't a single perfect antonym for "wagon," as the meaning can vary depending on context.

Here are some possibilities depending on what aspect of a wagon you're focusing on:

If you're thinking about transportation:

* Car (for a motorized vehicle)

* Bicycle (for a human-powered vehicle)

* Cart (for a smaller, less complex vehicle)

* Walking (for not using any vehicle at all)

If you're thinking about the function of the wagon:

* Carrying (for the action of transporting something)

* Holding (for the state of containing something)

If you're thinking about the physical object:

* Container (for any object used to hold things)

* Vehicle (for any object used for transportation)

The best antonym for "wagon" will depend on the specific situation and the meaning you are trying to convey.