However, depending on the context, some words that could be considered opposite in meaning include:
* Room: If you're talking about a space within a house, a room is the opposite of a hallway, as it's a designated area for a specific purpose.
* Exterior: If you're thinking about location, the exterior of a building is the opposite of a hallway.
* Open space: If you're considering the feeling of a hallway, an open space would be the opposite, as it lacks the enclosed and narrow feeling of a hallway.
* Wide area: This is the opposite of a hallway in terms of width.
Ultimately, the best antonym for "hallway" depends on the specific context in which the word is used.