Noun
absent-mindedness (countable and uncountable, plural absent-mindednesses)
The characteristic or state of being easily distracted or preoccupied. [First attested in the late 19 century.]
I don't mean to make mistakes; it's just absent-mindedness.
For six years they had taken care of him and loved him—watched over his outgoings and his incomings and forgiven all his absent-mindednesses.
The questions we ask are "What?" and "How?" What are the facts and how are they related? If sometimes, in a moment of absent-mindedness or idle diversion, we ask the question "Why?" Carl L. Becker