1. In an indifferently supine manner.
2. If anyone is supine, it indicates weakness and willingness to accept the control of others: "The new director has introduced a series of changes against little opposition from the supine staff."
3. A description which exhibits indolent or apathetic inertia or passivity; especially, mentally or morally slack.
4. Carelessly; indolently; drowsily; in a heedless, thoughtless state.