1 example sentence using unmindfulness.
    Unmindfulness used in a sentence
  
Unmindfulness in a sentence as a noun
I had such difficulty following through, that I literary tied up a piece of red string on my left wrist to remind me of conflicts and my unmindfulness.
Unmindfulness definitions
            noun
            
      the trait of forgetting or ignoring your responsibilities
See also: heedlessness inadvertence inadvertency