wastefulness

noun

Etymology: From Middle English wastfulnes; equivalent to wasteful + -ness.

1. imprudent or excessive expenditure or the waste of resources

   “Arsenal paid the price for that wastefulness when Chelsea took the lead after 14 minutes. Mata was afforded to much space by Santos and when the ponderous Per Mertesacker missed his cross Lampard timed his arrival perfectly to head past Wojciech Szczesny.”