What is the antonym for porch?

There isn't a single perfect antonym for "porch" because the meaning depends on the context. Here are some options depending on what you're looking for:

If you're looking for the opposite of a porch's function:

* Interior: This refers to the inside of a house or building, as opposed to the porch which is an exterior space.

* Basement: A basement is a floor below ground level, the opposite of an elevated porch.

If you're looking for the opposite of a porch's design:

* Balcony: A balcony projects outwards from a building, while a porch often is attached to the house.

* Patio: A patio is typically a paved area, while a porch is often made of wood.

If you're looking for the opposite of a porch's location:

* Rooftop: A rooftop is the highest part of a building, while a porch is typically at ground level or slightly elevated.

Ultimately, the best antonym for "porch" depends on the specific context of your sentence.