Meaning of the word preoccupied in English

What does preoccupied mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

preoccupied

US /ˌpriːˈɑː.kjə.paɪd/
UK /ˌpriːˈɒk.jə.paɪd/

Adjective

thinking or worrying about something a lot, so that you do not pay attention to other things

Example:
She was too preoccupied with her own thoughts to notice him.
He seemed preoccupied and didn't hear what I said.