inconsideracy

English

Etymology

From inconsiderate +‎ -cy.

Noun

inconsideracy (uncountable)

1. (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.