inexecution

in- +‎ execution

inexecution (uncountable)

1. Failure to execute or carry out.
   • 1803, Thomas Jefferson, Memoir, Correspondence, And Miscellanies, From The Papers Of Thomas Jefferson‎:

     His inexecution of orders baffled that effort.

   • 1897, James D. Richardson, A Compilation of the Messages and Papers of the Presidents‎:

     Very early after the arrival of a British minister here mutual explanations on the inexecution of the treaty of peace were entered into with that minister.

   • 1926, John Marshall, The Life of George Washington, Vol. 5 (of 5)‎:

     Legislatures, always cautious of attempting to force trade from its own channels and habits, should certainly be peculiarly cautious, when they do undertake such business, to set about it with temperance and coolness; but in this debate, we are told of the inexecution of a former treaty, withholding western posts, insults and dominations of a haughty people, that through the agency of Great Britain the savages are upon us on one side, and the Algerines on the other.