To obsess is to focus all of your attention on something, to become very focused on it. When you obsess about something, you are constantly thinking about it, and you are not able to focus on anything else.
He obsesses about his work all the time.
She obsesses about her weight, and she can't stop thinking about it.
verb
(passive, constructed with "with") To be preoccupied with a single topic or emotion.
verb
To dominate the thoughts of someone.
verb
(construed with over) To think or talk obsessively about.
1
They seem to be the obsessive one.
2
What is the obsession with the prostitution
3
Behold the fruits of boredom and obsession.
4
It's there to satiate the appetite of the obsessive fanbase.
5
Some of the faciers are obsessed with eating.
6
He is obsessed with the rock music.
7
He is the obsessive here with Rani.
8
He was obsessed with the rules of propriety.
9
He's obsessed in the power of the prominence.
10
In fact, the community is weary of anything obsessive.