/ priˈɒkjupaɪd; NAmE -ˈɑːk-/ adjective
preoccupied (with sth) thinking and/or worrying continuously about sth so that you do not pay attention to other things :
He was too preoccupied with his own thoughts to notice anything wrong.
/ priˈɒkjupaɪd; NAmE -ˈɑːk-/ adjective
preoccupied (with sth) thinking and/or worrying continuously about sth so that you do not pay attention to other things :
He was too preoccupied with his own thoughts to notice anything wrong.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005