The Oxford Thesaurus An A-Z Dictionary of Synonyms - unattachedadj.

1) separate, unconnected, detached, independent, unaffiliated, self-governing, self-regulating, self-regulated, autonomous, self-reliant, self-sustaining, self-sustained: The committee was established as an unattached body, not associated with any organization. 2) single, unmarried, uncommitted, unengaged, on (one's) own, unspoken for: I joined the club hoping to meet some unattached people.