inconsideracy

== English == === Etymology === From inconsiderate +‎ -cy. === Noun === inconsideracy (uncountable) (obsolete) The quality of being inconsiderate; thoughtlessness. February 16 1748, Philip Stanhope, 4th Earl of Chesterfield, in Letters to His Son, published in 1774 This is the common effect of the inconsideracy of youth , against which I beg you will be most carefully upon your guard. === References === “inconsideracy”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.