peremptoriness

peremptory +‎ -ness

peremptoriness (uncountable)

1. The quality of being peremptory
   • 1886, Thomas Hardy, The Mayor of Casterbridge, Chapter 7,

     Mrs. Stannidge thereupon said with a considerate peremptoriness that she and her mother had better take their own suppers if they meant to have any.

   • 1924, Herman Melville, Billy Budd, London: Constable & Co., Chapter 23,

     For suddenly the drum beat to quarters, which familiar sound happening at least twice every day, had upon the present occasion a signal peremptoriness in it.