Detached, disconnected, severed.

Disconnected, disengaged, separated; separate, unattached, standing apart, isolated.

Not in contact with another object or surface; not bearing the weight of another object; (of a surface) bounding an open volume of space or the air…

Unbound, unattached. Of an inanimate thing: Not fastened or attached to that to which it belongs as a part or appendage, or with which it has…

Set free from engagement, ties, or prepossession; free from obligatory connection; detached; not engaged; untrammelled, unoccupied, at liberty. Theat…

Having little, or comparatively no attachment; disconnected. floating ribs (see quot. 1860).

Not attached or united (to something).