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Webster 1828 Edition
Supineness
SUPI'NENESS
,Noun.
  1.
  Indolence; drowsiness; heedlessness.  Many of the evils of life are owing to our own supineness.Definition 2025
supineness
supineness
English
Noun
supineness (usually uncountable, plural supinenesses)
-  the state of being supine
-  1897, Henry James, The Spoils of Poynton:
- She almost taunted Fleda with supineness in not getting something out of somebody—in the same breath indeed in which she drenched her with a kind of appreciation more onerous to the girl than blame.
 
 
-  1897, Henry James, The Spoils of Poynton: