inexcusableness

== English == === Etymology === From inexcusable +‎ -ness. === Noun === inexcusableness (uncountable) The quality of being inexcusable; inexcusability. === References === “inexcusableness”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.