Lying on the back, or with the face upward; opposed to prone.

Leaning backward; or inclining with exposure to the sun. If the vine . On rising ground be plac’d on hills supine-- .

Negligent; heedless; indolent; thoughtless; inattentive. He became pusillanimous and supine, and openly exposed to any temptation. These men suffer by their supine credulity.

In grammar, a word formed from a verb, or a modification of a verb.