of or characterized by a feeling or mental state in which one's seemingly disembodied consciousness is able, variously, to observe one's body, move through physical space, etc.: an out-of-body experience
See out-of-body in American Heritage Dictionary 4
adjective
Of or marked by the psychological sensation of perceiving oneself from an external perspective, as though the mind or soul has separated from and is observing the body: convinced she had an out-of-body experience while undergoing surgery.