Supine

Part of speech: noun (n.)

A verbal noun; or (according to C.F.Becker), a case of the infinitive mood ending in -um and -u, that in -um being sometimes called the former supine, and that in -u the latter supine.

Part of speech: adjective (a.)

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

2. Leaning backward, or inclining with exposure to the sun; sloping; inclined. If the vine On rising ground be placed, or hills supine. Dryden.

3. Negligent; heedless; indolent; listless. He became pusillanimous and supine, and openly exposed to any temptation. Woodward.

Synonyms: Negligent; heedless; indolent; thoughtless; inattentive; listless; careless; drowsy. Su*pine"ly, adv. Su*pine"ness, n.