Synonyms of the word

obsess

• v. (passive, constructed with "with") To be preoccupied with a single topic or emotion.
• v. (transitive) To dominate the thoughts of someone.
• v. (intransitive, colloquial, construed with over) To think or talk obsessively about.

ghost

• n. (dated) The spirit; the soul of man.
• n. The disembodied soul; the soul or spirit of a deceased person; a spirit appearing after death; an apparition;…
• n. Any faint shadowy semblance; an unsubstantial image; a phantom; a glimmering.
• n. A false image formed in a telescope, camera, or other optical device by reflection from the surfaces of…
• n. An unwanted image similar to and overlapping or adjacent to the main one on a television screen, caused…
• n. A ghostwriter.
• n. (Internet) An unresponsive user on IRC, resulting from the user's client disconnecting without notifying…
• n. (computing) An image of a file or hard disk.
• n. (theater) An understudy.
• n. (espionage) A covert (and deniable) agent.
• n. The faint image that remains after an attempt to remove graffiti.
• n. (video games) An opponent in a racing game that follows a previously recorded route, allowing players…
• n. A dead person whose identity is stolen by another. See ghosting.
• n. (attributive, in names of species) White or pale.
• n. (attributive, in names of species) Transparent or translucent.
• n. (attributive) Abandoned.
• n. (attributive) The remains of.
• n. (attributive) Perceived or listed but not real.
• n. (attributive) Of cryptid, supernatural or extraterrestrial nature.
• n. (attributive) Substitute.
• v. (obsolete, transitive) To haunt; to appear to in the form of an apparition.
• v. (obsolete) To die; to expire.
• v. (transitive, intransitive) To ghostwrite.
• v. (nautical) To sail seemingly without wind.
• v. (computing) To copy a file or hard drive image.
• v. (graphical user interface) To gray out (a visual item) to indicate that it is unavailable.
• v. (Internet, transitive) To forcibly disconnect an IRC user who is using one's reserved nickname.
• v. To appear without warning; To move quickly and quietly; to slip.
• v. to kill.
• v. to break up with someone without warning or explanation (see ghosting).

haunt

• v. (transitive) To inhabit, or visit frequently (most often used in reference to ghosts).
• v. (transitive) To make uneasy, restless.
• v. (transitive) To stalk, to follow.
• v. (intransitive, now rare) To live habitually; to stay, to remain.
• v. (transitive, Britain dialectal, Northern England, Scotland) To accustom; habituate; make accustomed to.
• v. (transitive, Britain dialectal, Northern England, Scotland) To practise; to devote oneself to.
• v. (intransitive) To persist in staying or visiting.
• n. A place at which one is regularly found; a hangout.
• n. (dialect) A ghost.
• n. A feeding place for animals.

preoccupy

• v. To distract; to occupy or draw attention elsewhere.

worry

• v. (intransitive) To be troubled, to give way to mental anxiety.
• v. (transitive) Disturb the peace of mind of; afflict with mental agitation or distress.
• v. (transitive) To harass; to irritate or distress.
• v. (transitive) To seize or shake by the throat, especially of a dog or wolf.
• v. (transitive) To touch repeatedly, to fiddle with.
• v. (transitive, obsolete, except in Scots) To strangle.
• n. A strong feeling of anxiety.
• n. An instance or cause of such a feeling.