Nonpublic (adjective)

1. Not open or available to the public.
2. Not relating to or affecting the general public.

Origin:

From non- + public.

Examples:

1. The nonpublic information was restricted and only available to authorized personnel.
2. The nonpublic areas of the building were off-limits to visitors.
3. The nonpublic meeting was closed to the media and members of the public.
4. The nonpublic schools offered a more exclusive and personalized education.
5. The nonpublic sector of the economy includes businesses that are privately owned and not publicly traded.