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2017 Word of the Year

obsess

[uh b-ses] /əbˈsɛs/
verb (used with object)
1.
to dominate or preoccupy the thoughts, feelings, or desires of (a person); beset, trouble, or haunt persistently or abnormally:
Suspicion obsessed him.
verb (used without object)
2.
to think about something unceasingly or persistently; dwell obsessively upon something.
Origin of obsess
1495-1505
1495-1505; < Latin obsessus, past participle of obsidēre to occupy, frequent, besiege, equivalent to ob- ob- + -sid(ēre) combining form of sedēre to sit1
Related forms
obsessingly, adverb
obsessor, noun
Can be confused
abscess, obsess.
Synonyms
1. possess, control, haunt.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for obsessing
Contemporary Examples
Historical Examples
  • It seemed as if a cloud was in my brain, obsessing me at all times.

    The Trail of '98

    Robert W. Service
  • The first obsessing spell had given place to this—it was good to be so loved.

    The Woman Gives

    Owen Johnson
  • He hoped by these occupations to free himself from his obsessing thoughts of Vera.

    The Precipice Ivan Goncharov
  • The obsessing aim of many mothers is to "harden" their children.

    Feminism and Sex-Extinction

    Arabella Kenealy
  • Such thoughts were obsessing, also, the parson of the parish.

    The Soul of Susan Yellam

    Horace Annesley Vachell
British Dictionary definitions for obsessing

obsess

/əbˈsɛs/
verb
1.
(transitive; when passive, foll by with or by) to preoccupy completely; haunt
2.
(intransitive; usually foll by on or over) to worry neurotically or obsessively; brood
Word Origin
C16: from Latin obsessus besieged, past participle of obsidēre, from ob- in front of + sedēre to sit
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
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Word Origin and History for obsessing

obsess

v.

c.1500, "to besiege," from Latin obsessus, past participle of obsidere "watch closely; besiege, occupy; stay, remain, abide" literally "sit opposite to," from ob "against" (see ob-) + sedere "sit" (see sedentary). Of evil spirits, "to haunt," from 1530s. Psychological sense is 20c. Related: Obsessed; obsessing.

Online Etymology Dictionary, © 2010 Douglas Harper
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Word Value for obsessing

12
15
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