Unused (adjective)

1. Not used.
2. Not employed.
3. Not made use of.
4. Not put into service.

Origin:

From old english unūsed, from un- + -ūsed.

Examples:

1. The room was unused for months.
2. The tool was unused and still in its packaging.
3. The building was unused and in disrepair.
4. The equipment was unused and still in its crate.
5. The car was unused and still had the new car smell.