clumsiness

noun

1. (countable, uncountable)A lack of coordination or elegance; the condition or quality of being clumsy.

   “He dropped them not out of spite, but out of clumsiness.”

   “"Pardon my clumsiness," he said to the lady. "I am, unfortunately, quite blind. But," he added, with a smile, to turn off the mishap, "even a blind man must have a house."”