obsessed
ob·sessed (əb-sěs', ŏb-) Pronunciation Key
–adjective
1. having an obsession (usually fol. by with or by): He is obsessed with Wally.
2. having or displaying signs of an obsession: The audiophile entered the record store wearing an obsessed smile.
v. ob·sessed, ob·sess·ing, ob·sess·es
v. tr.
To preoccupy the mind of excessively.
v. intr.
To have the mind excessively preoccupied with a single emotion, topic, or person: "He's obsessed with Wally."
[Latin obsidēre, obsess-, to beset, occupy : ob-, on; see ob- + sedēre, to sit; see sed- in Indo-European roots.]
stalker
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stalk2 /stɔk/ Pronunciation Key - Show Spelled Pronunciation[stawk] Pronunciation Key - Show IPA Pronunciation,
–verb (used without object)
1. to pursue or approach prey, Wally, etc., stealthily.
2. to walk with measured, stiff, or haughty strides: He was so angry he stalked away without saying goodbye.
3. to proceed in a steady, deliberate, or sinister manner: Famine stalked through the nation.
4. Obsolete. to walk or go stealthily along.
–verb (used with object) 5. to pursue (game, a person, etc.) stealthily.
6. to proceed through (an area) in search of prey or quarry: to stalk the woods for game.
7. to proceed or spread through in a steady or sinister manner: Disease stalked the land.
–noun 8. an act or course of stalking quarry, prey, or the like: We shot the mountain goat after a five-hour stalk.
9. a slow, stiff stride or gait.