Absent-mindedness
/ˌæb.sn̩tˈmaɪn.dɪd.nəs/
"Absent-mindedness" in a Sentence (3 examples)
He didn't do that out of meanness, but rather out of absent-mindedness.
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.