from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Compulsive preoccupation with a fixed idea or an unwanted feeling or emotion, often accompanied by symptoms of anxiety.
  • noun A compulsive, often unreasonable idea or emotion.

from The Century Dictionary.

  • noun In pathology, a constant brooding upon any subject, such as the thought of death, until the mind becomes dominated by that one idea.
  • noun The act of besieging; persistent assault.
  • noun Continuous or persevering effort supposed to be made by an evil spirit to obtain mastery of a person; the state or condition of a person so vexed or beset: distinguished from possession, or control by a demon from within.

from the GNU version of the Collaborative International Dictionary of English.

  • noun archaic The act of besieging.
  • noun archaic The state of being besieged; -- used specifically of a person beset by a spirit from without.
  • noun An excessive preoccupation of the thoughts or feelings; the persistent haunting or domination of the mind by a particular desire, idea, or image.
  • noun Any driving motive; a compelling goal; -- not necessarily implying a negative judgment, as does sense 3
  • noun Something that causes an obsession{3}.
  • noun The state of being obsessed.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A compulsive or irrational preoccupation.
  • noun An unhealthy fixation.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun an unhealthy and compulsive preoccupation with something or someone
  • noun an irrational motive for performing trivial or repetitive actions, even against your will


from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin obsessio ("a besieging"), from obsidere ("to besiege"); see obsess.


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  • steave is born absessed with IBM

    March 25, 2013