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English definition of “accessory”

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accessory

noun uk   /əkˈses.ər.i/ us    /-ɚ-/

accessory noun (EXTRA)

C1 [C usually plural] something added to a machine or to clothing that has a useful or decorative purpose: She wore a green wool suit with matching accessories (= shoes, hat, bag, etc.). Sunglasses are much more than a fashion accessory. Accessories for the top-of-the-range car include leather upholstery, electric windows, and a sunroof.
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accessory noun (CRIMINAL)

[C] someone who helps another person to commit a crime but does not take part in it: an accessory to murderaccessory after the fact specialized someone who helps someone after that person has committed a crime, for example by hiding them from the policeaccessory before the fact specialized someone who helps in the preparation of a crime
(Definition of accessory from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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