preoccupation
🇺🇸
/priˌɑːkjuˈpeɪʃn/
🇬🇧
/priˌɒkjuˈpeɪʃn/
constant thinking about something; a main concern or interest
His preoccupation with the new movie prevented him from focusing on his work.
a state of being so focused on something that you don't pay attention to other things
She was in a state of preoccupation and didn't hear the doorbell.