\Su*pine"\, a. [L. supinus, akin to sub under, super
above. Cf. {Sub-}, {Super-}.]
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.
Syn: Negligent; heedless; indolent; thoughtless; inattentive;
     listless; careless; drowsy. -- {Su*pine"ly}, adv. --
     {Su*pine"ness}, n.

\Su"pine\, n. [L. supinum (sc. verbum), from supinus bent
or thrown backward, perhaps so called because, although
furnished with substantive case endings, it rests or falls
back, as it were, on the verb: cf. F. supin.] (Lat. Gram.)
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.