obsess

1 ENTRIES FOUND:
obsess /əbˈsɛs/ verb
obsesses; obsessed; obsessing
obsess
/əbˈsɛs/
verb
obsesses; obsessed; obsessing
Britannica Dictionary definition of OBSESS
1 
[+ object] : to be the only person or thing that someone thinks or talks about
— usually used as (be) obsessed
2 
[no object] informal : to think and talk about someone or something too much
— usually + about or over