private

adjective:not accessible to or intended for the general public; restricted or exclusive
- The laboratory is a private facility where only authorized personnel may enter.
adjective:belonging to or concerning an individual rather than a group; personal or confidential
- She shared her private thoughts in a diary that no one else could read.
adjective:owned or operated by individuals or a non‑governmental entity
- The town decided to build a private school to complement the public education system.
noun:a soldier of the lowest enlisted rank, especially in the army
- The private marched in formation, following the commands of his sergeant.
noun:a non‑public individual; a person who keeps a low profile and avoids publicity
- The author prefers to remain a private.
noun:the genitals
- The swimsuit provided adequate coverage for her privates.