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English definition of “preoccupation”

preoccupation

noun     /priːˌɒk.jʊˈpeɪ.ʃən/ US  /-ˌɑː.kjuː-/
[C] an idea or subject that someone thinks about most of the time: My main preoccupation now is trying to keep life normal for the sake of my two boys.Continually thinking about [C or U] the state of being worried about or thinking about something most of the time: Lately, his preoccupation with football had caused his marks at school to slip.Anxiety and worry - general wordsFear and phobias
(Definition of preoccupation noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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