absent-minded[adjective]Synonyms: vague, distracted, dreaming, forgetful, inattentive, preoccupied, unaware
[TahlilGaran] English Synonym Dictionary ▲
ˌabsent-ˈminded adjective likely to forget things, especially because you are thinking about something else
Synonym : forgetful:
Grandad’s been getting rather absent-minded lately.—absent-mindedly adverb—absent-mindedness noun [uncountable] [TahlilGaran] Dictionary of Contemporary English ▲