Unattached (adjective)

Not connected or joined to anything else; not committed to a relationship.

Origin:

From the word attach meaning "to join" and the prefix un- meaning "not".

Examples:

1. The document was unattached and lost among the papers.
2. She was unattached and free to do as she pleased.
3. The soldier was unattached and had no unit or command.
4. The building was unattached to any other structure.
5. He was unattached and had no emotional ties to anyone.