obsess

Meanings

1. 1
   verb

   be preoccupied with something

   I am obsessing over my weight.

2. 2
   verb

   To be preoccupied with a single topic or emotion.

   Some people are obsessed with sports.

3. 3
   verb

   To dominate the thoughts of someone.

   Thoughts of her obsess my every waking moment.

4. 4
   verb

   To think or talk obsessively about.

   Stop obsessing over it, will you!

5. 5
   verb

   haunt like a ghost

Etymology

From Latin obsessus, perfect passive participle of obsideō (“sit on or in, remain, besiege”), from ob- (“before”) + sedeō (“to sit”); see sit, session, etc.; compare assess, possess.