to dominate or preoccupy the thoughts, feelings, or desires of (a person); beset, trouble, or haunt persistently or abnormally: Suspicion obsessed him.
to think about something unceasingly or persistently; dwell obsessively upon something.
- ob·sess·ing·ly, adverb
- ob·ses·sor, noun
- abscess, obsess
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use obsess in a sentence
Before my injury, I obsessed over whether I ate healthy enough.
His fans are obsessed with their love story, and Akins has fueled interest by starring in several of Rhett’s videos, notably the swoony, six-time-platinum ballad, “Die a Happy Man.”How the wives of country music stars created their own powerful — sometimes controversial — Instagram empires | Emily Yahr | February 1, 2021 | Washington Post
I was obsessed with Wu-Tang and A Tribe Called Quest, all these albums came out when I was turning 13, 14.
This isn’t some major redesign but we’re talking about minor tweaks that the designers surely obsessed over but that the users may not even really notice.
He was a man obsessed not just with his own legacy, but the ability of all people to create their own stories and histories.
The professor known as Wittgenstein (and Iyer) obsess about the notion of thought itself on almost every page.Lars Iyer’s ‘Wittgenstein Jr.’ Plumbs the Deep Fun of Philosophical Fiction | Drew Smith | October 1, 2014 | THE DAILY BEAST
Do we obsess over celebrities because we want to be perfect?Face It—We Rubes Will Never Live Like Gwyneth and Jennifer Aniston | Rachel Bertsche | July 2, 2014 | THE DAILY BEAST
Or do we want to be perfect because we obsess over celebrities?Face It—We Rubes Will Never Live Like Gwyneth and Jennifer Aniston | Rachel Bertsche | July 2, 2014 | THE DAILY BEAST
If all goes as planned, Alig soon will face his fans, those who blog about him, follow his tweets, and obsess over Party Monster.The Party Monster Lives For the Applause: Michael Alig’s Second Act | Caitlin Dickson | February 28, 2014 | THE DAILY BEAST
I think we obsess over a lot of the same details in a situation.‘Portlandia’ Duo Fred Armisen and Carrie Brownstein Discuss the Secrets to the Cult Show’s Success | Marlow Stern | February 27, 2014 | THE DAILY BEAST
If the world continued to confine and obsess him, he hated the world, and gasped for freedom.Winds Of Doctrine | George Santayana
His virility would obsess him to such an extent that there certainly would be moments of posturing and swagger.Pieces of Hate | Heywood Broun
In fact, Courtrey, burning with the new desire that was beginning to obsess him, was working out a new design.Tharon of Lost Valley | Vingie E. Roe
Let the subtle fear that the task is impossible obsess the thought, paralyze the nerve, and no hope is left.The Meaning of Faith | Harry Emerson Fosdick
The old chimera of turning the cold woman to warmth through his own passion began to obsess him.Dangerous Days | Mary Roberts Rinehart
British Dictionary definitions for obsess
(tr; when passive, foll by with or by) to preoccupy completely; haunt
(intr; usually foll by on or over) to worry neurotically or obsessively; brood
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012