Meaning of obsess

ob•sess

Pronunciation: (ub-ses'), [key]
— v.t.
  1. to dominate or preoccupy the thoughts, feelings, or desires of (a person); beset, trouble, or haunt persistently or abnormally: Suspicion obsessed him.
—v.i.
  1. to think about something unceasingly or persistently; dwell obsessively upon something.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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