Uninvolved

Adjective

 * 1) Not involved.
 * 2) Emotionally distant.
 * 3) Of potential mates, available because not in a committed relationship.

Thesaurus
Laodicean, afoot and lighthearted, aloof, apathetic, at large, at liberty, bored, careless, centrist, clear, detached, disengaged, disinterested, distant, easygoing, emancipated, even, fifty-fifty, footloose, footloose and fancy-free, free, free and easy, free as air, freeborn, freed, go-as-you-please, half-and-half, heedless, impartial, impassive, in the clear, incomplex, incurious, independent, indifferent, insouciant, liberated, listless, loose, midway, mindless, moderate, neuter, neutral, nonaligned, noncommitted, nonpartisan, on the fence, on the loose, passive, phlegmatic, regardless, released, scot-free, stolid, straightforward, third-force, third-world, unattached, uncommitted, uncomplicated, unconcerned, unengaged, uninquiring, uninterested, unmindful, withdrawn

Etymology
un- + involved