Definition of obsess

exculpate Definition: (verb) to free from blame or guilt. Petersons.com

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ob·sess    (b-ss, b-) KEY  

VERB:
ob·sessed , ob·sess·ing , ob·sess·es
VERB:
tr.

To preoccupy the mind of excessively.

VERB:
intr.

To have the mind excessively preoccupied with a single emotion or topic: "She's dead. And you're still obsessing" (Scott Turow).

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ETYMOLOGY:
Latin obsidre , obsess-, to beset, occupy : ob-, on ; see ob- + sedre, to sit; see sed- in Indo-European roots

OTHER FORMS:
ob·sessor (Noun)

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