unmindful

/ʌnˈmaɪndfəl/
adjective
  1. Not paying attention; forgetful or heedless of something.
    • He was unmindful of the time and missed his appointment.
    • The hikers, unmindful of the warning signs, wandered into the restricted area.
    • She remained unmindful of the noise around her as she focused on her book.
What does "unmindful" mean? | whatsthatwordmean | whatsthatwordmean