footloose

adj. 1. without ties to a particular location; free to roam; wandering.
Syn. -- aimless, drifting, floating, vagabond, vagrant. [ WordNet 1.5 ]

2. without dependents or responsibilities.
Syn. -- untrammeled, untrammelled. [ WordNet 1.5 ]

3. having no commitments or restrictions.
Syn. -- fancy-free, foot-loose. [ WordNet 1.5 ]