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Definition of "obsess" []

  • To preoccupy the mind of excessively. (verb-transitive)
  • To have the mind excessively preoccupied with a single emotion or topic: "She's dead. And you're still obsessing” ( Scott Turow). (verb-intransitive)
  • To preoccupy completely; haunt (verb)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • To worry neurotically or obsessively; brood (verb)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "obsess" in a sentence
  • "Ah, hell, I obsess from the moment something is completed."
  • "The word obsess showed up in English straight out of Classical Latin back in 1440."
  • "So, can you now get another issue to "obsess" about?"