Absorbed in some thought or Excessively concerned with something
Rachena is really preoccupied, I think she’s having some family problems.
Oh! Were you talking to me honey ? I’m sorry; I’m just preoccupied with work.
John was so preoccupied with his deadline, that he forgot to attend his cousin’s wedding.
未来予想図 Ⅱ／ドリームズ・カム・トゥルー （ピアノ solo）