Disregard bakery items sent back (4)

I believe the answer is:

snub

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'disregard' is the definition.
(I know that disregard can be written as snub)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for snub that I've seen before include "Reject greeting, seek to humiliate" , "Reject greeting or approach" , "Treat with disdain" , "Pointedly rebuff" , "'Rebuff, ignore (4)'" .)

I've seen this clue in the Evening Standard.

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