obsess

ob·sess

(əb-sĕs′, ŏb-)

v. ob·sessed, ob·sess·ing, ob·sess·es

v. tr.

To preoccupy the mind of (someone) excessively.

v. intr.

To have the mind excessively preoccupied with a single emotion or topic: The conference organizer obsessed over the smallest of details.

[Latin

obsidēre

obsess-

, to beset, occupy :

ob-

, on; see ob- +

sedēre

, to sit; see

sed-

in the Appendix of Indo-European roots.]

ob·ses′sor n.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

obsess

(əbˈsɛs)

1. (tr; when passive, foll by with or by) to preoccupy completely; haunt

2. (intr; usually foll by on or over) to worry neurotically or obsessively; brood

[C16: from Latin obsessus besieged, past participle of obsidēre, from ob- in front of + sedēre to sit]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ob•sess

(əbˈsɛs)
v.t.

1. to dominate or excessively preoccupy the thoughts, feelings, or desires of; haunt.

v.i.

2. to think about something unceasingly.

[1495–1505; < Latin obsessus, past participle of obsidēre to occupy, frequent, besiege =ob- ob- + -sidēre, comb. form of sedēre to sit]

ob•sess′ing•ly, adv.

ob•ses′sor, n.

obsess

Past participle: obsessed
Gerund: obsessing

Imperative
obsess
obsess

Present
I obsess
you obsess
he/she/it obsesses
we obsess
you obsess
they obsess

Preterite
I obsessed
you obsessed
he/she/it obsessed
we obsessed
you obsessed
they obsessed

Present Continuous
I am obsessing
you are obsessing
he/she/it is obsessing
we are obsessing
you are obsessing
they are obsessing

Present Perfect
I have obsessed
you have obsessed
he/she/it has obsessed
we have obsessed
you have obsessed
they have obsessed

Past Continuous
I was obsessing
you were obsessing
he/she/it was obsessing
we were obsessing
you were obsessing
they were obsessing

Past Perfect
I had obsessed
you had obsessed
he/she/it had obsessed
we had obsessed
you had obsessed
they had obsessed

Future
I will obsess
you will obsess
he/she/it will obsess
we will obsess
you will obsess
they will obsess

Future Perfect
I will have obsessed
you will have obsessed
he/she/it will have obsessed
we will have obsessed
you will have obsessed
they will have obsessed

Future Continuous
I will be obsessing
you will be obsessing
he/she/it will be obsessing
we will be obsessing
you will be obsessing
they will be obsessing

Present Perfect Continuous
I have been obsessing
you have been obsessing
he/she/it has been obsessing
we have been obsessing
you have been obsessing
they have been obsessing

Future Perfect Continuous
I will have been obsessing
you will have been obsessing
he/she/it will have been obsessing
we will have been obsessing
you will have been obsessing
they will have been obsessing

Past Perfect Continuous
I had been obsessing
you had been obsessing
he/she/it had been obsessing
we had been obsessing
you had been obsessing
they had been obsessing

Conditional
I would obsess
you would obsess
he/she/it would obsess
we would obsess
you would obsess
they would obsess

Past Conditional
I would have obsessed
you would have obsessed
he/she/it would have obsessed
we would have obsessed
you would have obsessed
they would have obsessed

Collins English Verb Tables © HarperCollins Publishers 2011

ThesaurusAntonymsRelated WordsSynonymsLegend:

Verb	1.	obsess - haunt like a ghost; pursue; "Fear of illness haunts her" preoccupy - engage or engross the interest or attention of beforehand or occupy urgently or obsessively; "His work preoccupies him"; "The matter preoccupies her completely--she cannot think of anything else"
	2.	obsess - be preoccupied with something; "She is obsessing over her weight" worry - be worried, concerned, anxious, troubled, or uneasy; "I worry about my job"

obsess

verb preoccupy, dominate, grip, absorb, possess, consume, rule, haunt, plague, hound, torment, bedevil, monopolize, be on your mind, engross, prey on your mind, be uppermost in your thoughts Thoughts of revenge obsessed him.

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

obsess

verb

1. To dominate the mind or thoughts of:

2. To come to mind continually:

Translations

يَتَسَلَّط على

besætte

megszállott: vmi megszállottja

heltaka

apsėstasapsėstumasįkyri mintisįkyriailiguistai

apsēstpārņemt

posadnúť

aklından çıkmamakzihnini meşgul etmek

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

obsess

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

obsess

(əbˈses) verb

to occupy (someone's mind) too much. He is obsessed by the fear of death.

obˈsession (-ʃən) noun

an obsession about motorbikes.

obˈsessional (-ʃə-) adjective

obsessional behaviour.

obˈsessive (-siv) adjective

obsessive about cleanliness.

obˈsessively adverbobˈsessiveness noun