The Collaborative International Dictionary
Supine \Su*pine"\, a. [L. supinus, akin to sub under, super above. Cf. Sub-, Super-.]
Lying on the back, or with the face upward; -- opposed to prone.
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Leaning backward, or inclining with exposure to the sun; sloping; inclined.
If the vine On rising ground be placed, or hills supine.
--Dryden. -
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. [1913 Webster] -- Su*pine"ly, adv. -- Su*pine"ness, n.
Wiktionary
n. the state of being supine
Usage examples of "supineness".
The world waits only the news of a revolution of Germany to see the tyrants who have pinnacled themselves on its supineness precipitated into the ruin from which they shall never arise.