absent-minded

adjective ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about absent-minded at Wordnik → Where our words come from →

1. Absent in mind; often preoccupied; forgetful or careless due to distraction; easily distracted. .mw-parser-output .defdate{font-size:smaller}

   It took the absent-minded man twenty minutes to find his glasses on top of his head.