scatty

/ˈskæti/
adjective
  1. Tending to forget things or be disorganized; absent-minded or scatterbrained.
    • He's a bit scatty and sometimes shows up on the wrong day for meetings.
    • My scatty aunt often leaves her keys in the refrigerator.
    • The professor was brilliant but famously scatty, losing his glasses several times a day.
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